[linux-merge]linux integration; annotated tag, v5.14, created. v5.14
by postmaster＠open-mesh.org
The annotated tag, v5.14 has been created
at f15c9d899f82eaca5fa38243165a7b1bbee30995 (tag)
tagging 7d2a07b769330c34b4deabeed939325c77a7ec2f (commit)
replaces v5.14-rc7
tagged by Linus Torvalds
on Sun Aug 29 15:04:50 2021 -0700
- Shortlog ------------------------------------------------------------
Linux 5.14
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-----------------------------------------------------------------------
--
linux integration
4 months, 4 weeks
- 1
- 0
[linux-merge]linux integration; annotated tag, v5.14-rc7, created. v5.14-rc7
by postmaster＠open-mesh.org
The annotated tag, v5.14-rc7 has been created
at 53371b959e5823998cd617e74b585e7d328f5840 (tag)
tagging e22ce8eb631bdc47a4a4ea7ecf4e4ba499db4f93 (commit)
replaces v5.14-rc6
tagged by Linus Torvalds
on Sun Aug 22 14:24:56 2021 -0700
- Shortlog ------------------------------------------------------------
Linux 5.14-rc7
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-----------------------------------------------------------------------
--
linux integration
5 months
- 1
- 0
[linux-merge]linux integration; annotated tag, batadv-next-pullrequest-20210819, deleted. v5.14-rc3-1013-g808cfdfad579
by postmaster＠open-mesh.org
The annotated tag, batadv-next-pullrequest-20210819 has been deleted
was b078933b0209852c62e69d86f0be12c5ae19e71c
-----------------------------------------------------------------------
tag batadv-next-pullrequest-20210819
This cleanup patchset includes the following patches:
- bump version strings, by Simon Wunderlich
- update docs about move IRC channel away from freenode,
by Sven Eckelmann
- Switch to kstrtox.h for kstrtou64, by Sven Eckelmann
- Update NULL checks, by Sven Eckelmann (2 patches)
- remove remaining skb-copy calls for broadcast packets,
by Linus L��ssing
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808cfdfad57999c85f9ab13499a38d136d032232 batman-adv: bcast: remove remaining skb-copy calls
-----------------------------------------------------------------------
--
linux integration
5 months, 1 week
- 1
- 0
[batman-adv] master: batman-adv: Drop NULL check before dropping references (6a1bd8b2)
by postmaster＠open-mesh.org
Repository : ssh://git@diktynna/batman-adv
On branch : master
>---------------------------------------------------------------
commit 6a1bd8b2cf711fc61f4be29d545f759f6143902e
Author: Sven Eckelmann <sven(a)narfation.org>
Date: Sun Aug 8 20:23:05 2021 +0200
batman-adv: Drop NULL check before dropping references
The check if a batman-adv related object is NULL or not is now directly in
the batadv_*_put functions. It is not needed anymore to perform this check
outside these function:
The changes were generated using a coccinelle semantic patch:
@@
expression E;
@@
- if (likely(E != NULL))
(
batadv_backbone_gw_put
|
batadv_claim_put
|
batadv_dat_entry_put
|
batadv_gw_node_put
|
batadv_hardif_neigh_put
|
batadv_hardif_put
|
batadv_nc_node_put
|
batadv_nc_path_put
|
batadv_neigh_ifinfo_put
|
batadv_neigh_node_put
|
batadv_orig_ifinfo_put
|
batadv_orig_node_put
|
batadv_orig_node_vlan_put
|
batadv_softif_vlan_put
|
batadv_tp_vars_put
|
batadv_tt_global_entry_put
|
batadv_tt_local_entry_put
|
batadv_tt_orig_list_entry_put
|
batadv_tt_req_node_put
|
batadv_tvlv_container_put
|
batadv_tvlv_handler_put
)(E);
Signed-off-by: Sven Eckelmann <sven(a)narfation.org>
>---------------------------------------------------------------
6a1bd8b2cf711fc61f4be29d545f759f6143902e
net/batman-adv/bat_iv_ogm.c | 75 +++++++++++---------------------
net/batman-adv/bat_v.c | 30 +++++--------
net/batman-adv/bat_v_elp.c | 9 ++--
net/batman-adv/bat_v_ogm.c | 39 ++++++-----------
net/batman-adv/bridge_loop_avoidance.c | 27 ++++--------
net/batman-adv/distributed-arp-table.c | 21 +++------
net/batman-adv/fragmentation.c | 6 +--
net/batman-adv/gateway_client.c | 45 +++++++-------------
net/batman-adv/hard-interface.c | 21 +++------
net/batman-adv/multicast.c | 2 +-
net/batman-adv/netlink.c | 6 +--
net/batman-adv/network-coding.c | 18 +++-----
net/batman-adv/originator.c | 30 +++++--------
net/batman-adv/routing.c | 39 ++++++-----------
net/batman-adv/send.c | 21 +++------
net/batman-adv/soft-interface.c | 12 ++----
net/batman-adv/tp_meter.c | 24 ++++-------
net/batman-adv/translation-table.c | 78 ++++++++++++----------------------
net/batman-adv/tvlv.c | 3 +-
19 files changed, 169 insertions(+), 337 deletions(-)
diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c
index 12022378..f94f538f 100644
--- a/net/batman-adv/bat_iv_ogm.c
+++ b/net/batman-adv/bat_iv_ogm.c
@@ -519,8 +519,7 @@ batadv_iv_ogm_can_aggregate(const struct batadv_ogm_packet *new_bat_ogm_packet,
}
out:
- if (primary_if)
- batadv_hardif_put(primary_if);
+ batadv_hardif_put(primary_if);
return res;
}
@@ -857,8 +856,7 @@ static void batadv_iv_ogm_schedule_buff(struct batadv_hard_iface *hard_iface)
rcu_read_unlock();
out:
- if (primary_if)
- batadv_hardif_put(primary_if);
+ batadv_hardif_put(primary_if);
}
static void batadv_iv_ogm_schedule(struct batadv_hard_iface *hard_iface)
@@ -1046,14 +1044,10 @@ batadv_iv_ogm_orig_update(struct batadv_priv *bat_priv,
unlock:
rcu_read_unlock();
out:
- if (neigh_node)
- batadv_neigh_node_put(neigh_node);
- if (router)
- batadv_neigh_node_put(router);
- if (neigh_ifinfo)
- batadv_neigh_ifinfo_put(neigh_ifinfo);
- if (router_ifinfo)
- batadv_neigh_ifinfo_put(router_ifinfo);
+ batadv_neigh_node_put(neigh_node);
+ batadv_neigh_node_put(router);
+ batadv_neigh_ifinfo_put(neigh_ifinfo);
+ batadv_neigh_ifinfo_put(router_ifinfo);
}
/**
@@ -1194,8 +1188,7 @@ static bool batadv_iv_ogm_calc_tq(struct batadv_orig_node *orig_node,
ret = true;
out:
- if (neigh_node)
- batadv_neigh_node_put(neigh_node);
+ batadv_neigh_node_put(neigh_node);
return ret;
}
@@ -1496,16 +1489,11 @@ out_neigh:
if (orig_neigh_node && !is_single_hop_neigh)
batadv_orig_node_put(orig_neigh_node);
out:
- if (router_ifinfo)
- batadv_neigh_ifinfo_put(router_ifinfo);
- if (router)
- batadv_neigh_node_put(router);
- if (router_router)
- batadv_neigh_node_put(router_router);
- if (orig_neigh_router)
- batadv_neigh_node_put(orig_neigh_router);
- if (hardif_neigh)
- batadv_hardif_neigh_put(hardif_neigh);
+ batadv_neigh_ifinfo_put(router_ifinfo);
+ batadv_neigh_node_put(router);
+ batadv_neigh_node_put(router_router);
+ batadv_neigh_node_put(orig_neigh_router);
+ batadv_hardif_neigh_put(hardif_neigh);
consume_skb(skb_priv);
}
@@ -1926,8 +1914,7 @@ batadv_iv_ogm_orig_dump_entry(struct sk_buff *msg, u32 portid, u32 seq,
}
out:
- if (neigh_node_best)
- batadv_neigh_node_put(neigh_node_best);
+ batadv_neigh_node_put(neigh_node_best);
*sub_s = 0;
return 0;
@@ -2049,10 +2036,8 @@ static bool batadv_iv_ogm_neigh_diff(struct batadv_neigh_node *neigh1,
*diff = (int)tq1 - (int)tq2;
out:
- if (neigh1_ifinfo)
- batadv_neigh_ifinfo_put(neigh1_ifinfo);
- if (neigh2_ifinfo)
- batadv_neigh_ifinfo_put(neigh2_ifinfo);
+ batadv_neigh_ifinfo_put(neigh1_ifinfo);
+ batadv_neigh_ifinfo_put(neigh2_ifinfo);
return ret;
}
@@ -2299,8 +2284,7 @@ batadv_iv_gw_get_best_gw_node(struct batadv_priv *bat_priv)
if (tmp_gw_factor > max_gw_factor ||
(tmp_gw_factor == max_gw_factor &&
tq_avg > max_tq)) {
- if (curr_gw)
- batadv_gw_node_put(curr_gw);
+ batadv_gw_node_put(curr_gw);
curr_gw = gw_node;
kref_get(&curr_gw->refcount);
}
@@ -2314,8 +2298,7 @@ batadv_iv_gw_get_best_gw_node(struct batadv_priv *bat_priv)
* $routing_class more tq points)
*/
if (tq_avg > max_tq) {
- if (curr_gw)
- batadv_gw_node_put(curr_gw);
+ batadv_gw_node_put(curr_gw);
curr_gw = gw_node;
kref_get(&curr_gw->refcount);
}
@@ -2332,8 +2315,7 @@ batadv_iv_gw_get_best_gw_node(struct batadv_priv *bat_priv)
next:
batadv_neigh_node_put(router);
- if (router_ifinfo)
- batadv_neigh_ifinfo_put(router_ifinfo);
+ batadv_neigh_ifinfo_put(router_ifinfo);
}
rcu_read_unlock();
@@ -2397,14 +2379,10 @@ static bool batadv_iv_gw_is_eligible(struct batadv_priv *bat_priv,
ret = true;
out:
- if (router_gw_ifinfo)
- batadv_neigh_ifinfo_put(router_gw_ifinfo);
- if (router_orig_ifinfo)
- batadv_neigh_ifinfo_put(router_orig_ifinfo);
- if (router_gw)
- batadv_neigh_node_put(router_gw);
- if (router_orig)
- batadv_neigh_node_put(router_orig);
+ batadv_neigh_ifinfo_put(router_gw_ifinfo);
+ batadv_neigh_ifinfo_put(router_orig_ifinfo);
+ batadv_neigh_node_put(router_gw);
+ batadv_neigh_node_put(router_orig);
return ret;
}
@@ -2479,12 +2457,9 @@ static int batadv_iv_gw_dump_entry(struct sk_buff *msg, u32 portid,
ret = 0;
out:
- if (curr_gw)
- batadv_gw_node_put(curr_gw);
- if (router_ifinfo)
- batadv_neigh_ifinfo_put(router_ifinfo);
- if (router)
- batadv_neigh_node_put(router);
+ batadv_gw_node_put(curr_gw);
+ batadv_neigh_ifinfo_put(router_ifinfo);
+ batadv_neigh_node_put(router);
return ret;
}
diff --git a/net/batman-adv/bat_v.c b/net/batman-adv/bat_v.c
index b98aea95..54e41fc7 100644
--- a/net/batman-adv/bat_v.c
+++ b/net/batman-adv/bat_v.c
@@ -106,8 +106,7 @@ static void batadv_v_iface_update_mac(struct batadv_hard_iface *hard_iface)
batadv_v_primary_iface_set(hard_iface);
out:
- if (primary_if)
- batadv_hardif_put(primary_if);
+ batadv_hardif_put(primary_if);
}
static void
@@ -366,8 +365,7 @@ batadv_v_orig_dump_entry(struct sk_buff *msg, u32 portid, u32 seq,
}
out:
- if (neigh_node_best)
- batadv_neigh_node_put(neigh_node_best);
+ batadv_neigh_node_put(neigh_node_best);
*sub_s = 0;
return 0;
@@ -568,10 +566,8 @@ static int batadv_v_gw_throughput_get(struct batadv_gw_node *gw_node, u32 *bw)
ret = 0;
out:
- if (router)
- batadv_neigh_node_put(router);
- if (router_ifinfo)
- batadv_neigh_ifinfo_put(router_ifinfo);
+ batadv_neigh_node_put(router);
+ batadv_neigh_ifinfo_put(router_ifinfo);
return ret;
}
@@ -599,8 +595,7 @@ batadv_v_gw_get_best_gw_node(struct batadv_priv *bat_priv)
if (curr_gw && bw <= max_bw)
goto next;
- if (curr_gw)
- batadv_gw_node_put(curr_gw);
+ batadv_gw_node_put(curr_gw);
curr_gw = gw_node;
kref_get(&curr_gw->refcount);
@@ -662,10 +657,8 @@ static bool batadv_v_gw_is_eligible(struct batadv_priv *bat_priv,
ret = true;
out:
- if (curr_gw)
- batadv_gw_node_put(curr_gw);
- if (orig_gw)
- batadv_gw_node_put(orig_gw);
+ batadv_gw_node_put(curr_gw);
+ batadv_gw_node_put(orig_gw);
return ret;
}
@@ -764,12 +757,9 @@ static int batadv_v_gw_dump_entry(struct sk_buff *msg, u32 portid,
ret = 0;
out:
- if (curr_gw)
- batadv_gw_node_put(curr_gw);
- if (router_ifinfo)
- batadv_neigh_ifinfo_put(router_ifinfo);
- if (router)
- batadv_neigh_node_put(router);
+ batadv_gw_node_put(curr_gw);
+ batadv_neigh_ifinfo_put(router_ifinfo);
+ batadv_neigh_node_put(router);
return ret;
}
diff --git a/net/batman-adv/bat_v_elp.c b/net/batman-adv/bat_v_elp.c
index 423c2d17..71999e13 100644
--- a/net/batman-adv/bat_v_elp.c
+++ b/net/batman-adv/bat_v_elp.c
@@ -486,14 +486,11 @@ static void batadv_v_elp_neigh_update(struct batadv_priv *bat_priv,
hardif_neigh->bat_v.elp_interval = ntohl(elp_packet->elp_interval);
hardif_free:
- if (hardif_neigh)
- batadv_hardif_neigh_put(hardif_neigh);
+ batadv_hardif_neigh_put(hardif_neigh);
neigh_free:
- if (neigh)
- batadv_neigh_node_put(neigh);
+ batadv_neigh_node_put(neigh);
orig_free:
- if (orig_neigh)
- batadv_orig_node_put(orig_neigh);
+ batadv_orig_node_put(orig_neigh);
}
/**
diff --git a/net/batman-adv/bat_v_ogm.c b/net/batman-adv/bat_v_ogm.c
index a0a9636d..1d750f3c 100644
--- a/net/batman-adv/bat_v_ogm.c
+++ b/net/batman-adv/bat_v_ogm.c
@@ -584,12 +584,9 @@ static void batadv_v_ogm_forward(struct batadv_priv *bat_priv,
batadv_v_ogm_queue_on_if(skb, if_outgoing);
out:
- if (orig_ifinfo)
- batadv_orig_ifinfo_put(orig_ifinfo);
- if (router)
- batadv_neigh_node_put(router);
- if (neigh_ifinfo)
- batadv_neigh_ifinfo_put(neigh_ifinfo);
+ batadv_orig_ifinfo_put(orig_ifinfo);
+ batadv_neigh_node_put(router);
+ batadv_neigh_ifinfo_put(neigh_ifinfo);
}
/**
@@ -669,10 +666,8 @@ static int batadv_v_ogm_metric_update(struct batadv_priv *bat_priv,
else
ret = 0;
out:
- if (orig_ifinfo)
- batadv_orig_ifinfo_put(orig_ifinfo);
- if (neigh_ifinfo)
- batadv_neigh_ifinfo_put(neigh_ifinfo);
+ batadv_orig_ifinfo_put(orig_ifinfo);
+ batadv_neigh_ifinfo_put(neigh_ifinfo);
return ret;
}
@@ -763,16 +758,11 @@ static bool batadv_v_ogm_route_update(struct batadv_priv *bat_priv,
batadv_update_route(bat_priv, orig_node, if_outgoing, neigh_node);
out:
- if (router)
- batadv_neigh_node_put(router);
- if (orig_neigh_router)
- batadv_neigh_node_put(orig_neigh_router);
- if (orig_neigh_node)
- batadv_orig_node_put(orig_neigh_node);
- if (router_ifinfo)
- batadv_neigh_ifinfo_put(router_ifinfo);
- if (neigh_ifinfo)
- batadv_neigh_ifinfo_put(neigh_ifinfo);
+ batadv_neigh_node_put(router);
+ batadv_neigh_node_put(orig_neigh_router);
+ batadv_orig_node_put(orig_neigh_node);
+ batadv_neigh_ifinfo_put(router_ifinfo);
+ batadv_neigh_ifinfo_put(neigh_ifinfo);
return forward;
}
@@ -978,12 +968,9 @@ static void batadv_v_ogm_process(const struct sk_buff *skb, int ogm_offset,
}
rcu_read_unlock();
out:
- if (orig_node)
- batadv_orig_node_put(orig_node);
- if (neigh_node)
- batadv_neigh_node_put(neigh_node);
- if (hardif_neigh)
- batadv_hardif_neigh_put(hardif_neigh);
+ batadv_orig_node_put(orig_node);
+ batadv_neigh_node_put(neigh_node);
+ batadv_hardif_neigh_put(hardif_neigh);
}
/**
diff --git a/net/batman-adv/bridge_loop_avoidance.c b/net/batman-adv/bridge_loop_avoidance.c
index 134db98a..16697443 100644
--- a/net/batman-adv/bridge_loop_avoidance.c
+++ b/net/batman-adv/bridge_loop_avoidance.c
@@ -445,8 +445,7 @@ static void batadv_bla_send_claim(struct batadv_priv *bat_priv, u8 *mac,
netif_rx_any_context(skb);
out:
- if (primary_if)
- batadv_hardif_put(primary_if);
+ batadv_hardif_put(primary_if);
}
/**
@@ -1504,8 +1503,7 @@ static void batadv_bla_periodic_work(struct work_struct *work)
rcu_read_unlock();
}
out:
- if (primary_if)
- batadv_hardif_put(primary_if);
+ batadv_hardif_put(primary_if);
queue_delayed_work(batadv_event_workqueue, &bat_priv->bla.work,
msecs_to_jiffies(BATADV_BLA_PERIOD_LENGTH));
@@ -1814,8 +1812,7 @@ void batadv_bla_free(struct batadv_priv *bat_priv)
batadv_hash_destroy(bat_priv->bla.backbone_hash);
bat_priv->bla.backbone_hash = NULL;
}
- if (primary_if)
- batadv_hardif_put(primary_if);
+ batadv_hardif_put(primary_if);
}
/**
@@ -2002,10 +1999,8 @@ handled:
ret = true;
out:
- if (primary_if)
- batadv_hardif_put(primary_if);
- if (claim)
- batadv_claim_put(claim);
+ batadv_hardif_put(primary_if);
+ batadv_claim_put(claim);
return ret;
}
@@ -2109,10 +2104,8 @@ allow:
handled:
ret = true;
out:
- if (primary_if)
- batadv_hardif_put(primary_if);
- if (claim)
- batadv_claim_put(claim);
+ batadv_hardif_put(primary_if);
+ batadv_claim_put(claim);
return ret;
}
@@ -2277,8 +2270,7 @@ int batadv_bla_claim_dump(struct sk_buff *msg, struct netlink_callback *cb)
ret = msg->len;
out:
- if (primary_if)
- batadv_hardif_put(primary_if);
+ batadv_hardif_put(primary_if);
dev_put(soft_iface);
@@ -2448,8 +2440,7 @@ int batadv_bla_backbone_dump(struct sk_buff *msg, struct netlink_callback *cb)
ret = msg->len;
out:
- if (primary_if)
- batadv_hardif_put(primary_if);
+ batadv_hardif_put(primary_if);
dev_put(soft_iface);
diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c
index 60f1ae1a..2f008e32 100644
--- a/net/batman-adv/distributed-arp-table.c
+++ b/net/batman-adv/distributed-arp-table.c
@@ -408,8 +408,7 @@ static void batadv_dat_entry_add(struct batadv_priv *bat_priv, __be32 ip,
&dat_entry->ip, dat_entry->mac_addr, batadv_print_vid(vid));
out:
- if (dat_entry)
- batadv_dat_entry_put(dat_entry);
+ batadv_dat_entry_put(dat_entry);
}
#ifdef CONFIG_BATMAN_ADV_DEBUG
@@ -597,8 +596,7 @@ static void batadv_choose_next_candidate(struct batadv_priv *bat_priv,
continue;
max = tmp_max;
- if (max_orig_node)
- batadv_orig_node_put(max_orig_node);
+ batadv_orig_node_put(max_orig_node);
max_orig_node = orig_node;
}
rcu_read_unlock();
@@ -984,8 +982,7 @@ int batadv_dat_cache_dump(struct sk_buff *msg, struct netlink_callback *cb)
ret = msg->len;
out:
- if (primary_if)
- batadv_hardif_put(primary_if);
+ batadv_hardif_put(primary_if);
dev_put(soft_iface);
@@ -1220,8 +1217,7 @@ bool batadv_dat_snoop_outgoing_arp_request(struct batadv_priv *bat_priv,
BATADV_P_DAT_DHT_GET);
}
out:
- if (dat_entry)
- batadv_dat_entry_put(dat_entry);
+ batadv_dat_entry_put(dat_entry);
return ret;
}
@@ -1288,8 +1284,7 @@ bool batadv_dat_snoop_incoming_arp_request(struct batadv_priv *bat_priv,
ret = true;
}
out:
- if (dat_entry)
- batadv_dat_entry_put(dat_entry);
+ batadv_dat_entry_put(dat_entry);
if (ret)
kfree_skb(skb);
return ret;
@@ -1422,8 +1417,7 @@ bool batadv_dat_snoop_incoming_arp_reply(struct batadv_priv *bat_priv,
out:
if (dropped)
kfree_skb(skb);
- if (dat_entry)
- batadv_dat_entry_put(dat_entry);
+ batadv_dat_entry_put(dat_entry);
/* if dropped == false -> deliver to the interface */
return dropped;
}
@@ -1832,7 +1826,6 @@ bool batadv_dat_drop_broadcast_packet(struct batadv_priv *bat_priv,
ret = true;
out:
- if (dat_entry)
- batadv_dat_entry_put(dat_entry);
+ batadv_dat_entry_put(dat_entry);
return ret;
}
diff --git a/net/batman-adv/fragmentation.c b/net/batman-adv/fragmentation.c
index a5d9d800..0899a729 100644
--- a/net/batman-adv/fragmentation.c
+++ b/net/batman-adv/fragmentation.c
@@ -381,10 +381,8 @@ bool batadv_frag_skb_fwd(struct sk_buff *skb,
}
out:
- if (orig_node_dst)
- batadv_orig_node_put(orig_node_dst);
- if (neigh_node)
- batadv_neigh_node_put(neigh_node);
+ batadv_orig_node_put(orig_node_dst);
+ batadv_neigh_node_put(neigh_node);
return ret;
}
diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c
index c36a8132..b7466136 100644
--- a/net/batman-adv/gateway_client.c
+++ b/net/batman-adv/gateway_client.c
@@ -120,8 +120,7 @@ batadv_gw_get_selected_orig(struct batadv_priv *bat_priv)
unlock:
rcu_read_unlock();
out:
- if (gw_node)
- batadv_gw_node_put(gw_node);
+ batadv_gw_node_put(gw_node);
return orig_node;
}
@@ -138,8 +137,7 @@ static void batadv_gw_select(struct batadv_priv *bat_priv,
curr_gw_node = rcu_replace_pointer(bat_priv->gw.curr_gw, new_gw_node,
true);
- if (curr_gw_node)
- batadv_gw_node_put(curr_gw_node);
+ batadv_gw_node_put(curr_gw_node);
spin_unlock_bh(&bat_priv->gw.list_lock);
}
@@ -274,14 +272,10 @@ void batadv_gw_election(struct batadv_priv *bat_priv)
batadv_gw_select(bat_priv, next_gw);
out:
- if (curr_gw)
- batadv_gw_node_put(curr_gw);
- if (next_gw)
- batadv_gw_node_put(next_gw);
- if (router)
- batadv_neigh_node_put(router);
- if (router_ifinfo)
- batadv_neigh_ifinfo_put(router_ifinfo);
+ batadv_gw_node_put(curr_gw);
+ batadv_gw_node_put(next_gw);
+ batadv_neigh_node_put(router);
+ batadv_neigh_ifinfo_put(router_ifinfo);
}
/**
@@ -315,8 +309,7 @@ void batadv_gw_check_election(struct batadv_priv *bat_priv,
reselect:
batadv_gw_reselect(bat_priv);
out:
- if (curr_gw_orig)
- batadv_orig_node_put(curr_gw_orig);
+ batadv_orig_node_put(curr_gw_orig);
}
/**
@@ -456,13 +449,11 @@ void batadv_gw_node_update(struct batadv_priv *bat_priv,
if (gw_node == curr_gw)
batadv_gw_reselect(bat_priv);
- if (curr_gw)
- batadv_gw_node_put(curr_gw);
+ batadv_gw_node_put(curr_gw);
}
out:
- if (gw_node)
- batadv_gw_node_put(gw_node);
+ batadv_gw_node_put(gw_node);
}
/**
@@ -545,8 +536,7 @@ int batadv_gw_dump(struct sk_buff *msg, struct netlink_callback *cb)
ret = msg->len;
out:
- if (primary_if)
- batadv_hardif_put(primary_if);
+ batadv_hardif_put(primary_if);
dev_put(soft_iface);
return ret;
@@ -769,15 +759,10 @@ bool batadv_gw_out_of_range(struct batadv_priv *bat_priv,
batadv_neigh_ifinfo_put(old_ifinfo);
out:
- if (orig_dst_node)
- batadv_orig_node_put(orig_dst_node);
- if (curr_gw)
- batadv_gw_node_put(curr_gw);
- if (gw_node)
- batadv_gw_node_put(gw_node);
- if (neigh_old)
- batadv_neigh_node_put(neigh_old);
- if (neigh_curr)
- batadv_neigh_node_put(neigh_curr);
+ batadv_orig_node_put(orig_dst_node);
+ batadv_gw_node_put(curr_gw);
+ batadv_gw_node_put(gw_node);
+ batadv_neigh_node_put(neigh_old);
+ batadv_neigh_node_put(neigh_curr);
return out_of_range;
}
diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c
index 55d97e18..8a2b78f9 100644
--- a/net/batman-adv/hard-interface.c
+++ b/net/batman-adv/hard-interface.c
@@ -236,8 +236,7 @@ static struct net_device *batadv_get_real_netdevice(struct net_device *netdev)
real_netdev = dev_get_by_index(real_net, ifindex);
out:
- if (hard_iface)
- batadv_hardif_put(hard_iface);
+ batadv_hardif_put(hard_iface);
return real_netdev;
}
@@ -457,8 +456,7 @@ static void batadv_primary_if_update_addr(struct batadv_priv *bat_priv,
batadv_dat_init_own_addr(bat_priv, primary_if);
batadv_bla_update_orig_address(bat_priv, primary_if, oldif);
out:
- if (primary_if)
- batadv_hardif_put(primary_if);
+ batadv_hardif_put(primary_if);
}
static void batadv_primary_if_select(struct batadv_priv *bat_priv,
@@ -481,8 +479,7 @@ static void batadv_primary_if_select(struct batadv_priv *bat_priv,
batadv_primary_if_update_addr(bat_priv, curr_hard_iface);
out:
- if (curr_hard_iface)
- batadv_hardif_put(curr_hard_iface);
+ batadv_hardif_put(curr_hard_iface);
}
static bool
@@ -657,8 +654,7 @@ batadv_hardif_activate_interface(struct batadv_hard_iface *hard_iface)
bat_priv->algo_ops->iface.activate(hard_iface);
out:
- if (primary_if)
- batadv_hardif_put(primary_if);
+ batadv_hardif_put(primary_if);
}
static void
@@ -811,8 +807,7 @@ void batadv_hardif_disable_interface(struct batadv_hard_iface *hard_iface)
new_if = batadv_hardif_get_active(hard_iface->soft_iface);
batadv_primary_if_select(bat_priv, new_if);
- if (new_if)
- batadv_hardif_put(new_if);
+ batadv_hardif_put(new_if);
}
bat_priv->algo_ops->iface.disable(hard_iface);
@@ -834,8 +829,7 @@ void batadv_hardif_disable_interface(struct batadv_hard_iface *hard_iface)
batadv_hardif_put(hard_iface);
out:
- if (primary_if)
- batadv_hardif_put(primary_if);
+ batadv_hardif_put(primary_if);
}
static struct batadv_hard_iface *
@@ -990,8 +984,7 @@ static int batadv_hard_if_event(struct notifier_block *this,
hardif_put:
batadv_hardif_put(hard_iface);
out:
- if (primary_if)
- batadv_hardif_put(primary_if);
+ batadv_hardif_put(primary_if);
return NOTIFY_DONE;
}
diff --git a/net/batman-adv/multicast.c b/net/batman-adv/multicast.c
index 0158f267..a3b6658e 100644
--- a/net/batman-adv/multicast.c
+++ b/net/batman-adv/multicast.c
@@ -2241,7 +2241,7 @@ out:
if (!ret && primary_if)
*primary_if = hard_iface;
- else if (hard_iface)
+ else
batadv_hardif_put(hard_iface);
return ret;
diff --git a/net/batman-adv/netlink.c b/net/batman-adv/netlink.c
index b6cc746e..29276284 100644
--- a/net/batman-adv/netlink.c
+++ b/net/batman-adv/netlink.c
@@ -359,15 +359,13 @@ static int batadv_netlink_mesh_fill(struct sk_buff *msg,
atomic_read(&bat_priv->orig_interval)))
goto nla_put_failure;
- if (primary_if)
- batadv_hardif_put(primary_if);
+ batadv_hardif_put(primary_if);
genlmsg_end(msg, hdr);
return 0;
nla_put_failure:
- if (primary_if)
- batadv_hardif_put(primary_if);
+ batadv_hardif_put(primary_if);
genlmsg_cancel(msg, hdr);
return -EMSGSIZE;
diff --git a/net/batman-adv/network-coding.c b/net/batman-adv/network-coding.c
index 136b1a8e..9f06132e 100644
--- a/net/batman-adv/network-coding.c
+++ b/net/batman-adv/network-coding.c
@@ -936,10 +936,8 @@ void batadv_nc_update_nc_node(struct batadv_priv *bat_priv,
out_nc_node->last_seen = jiffies;
out:
- if (in_nc_node)
- batadv_nc_node_put(in_nc_node);
- if (out_nc_node)
- batadv_nc_node_put(out_nc_node);
+ batadv_nc_node_put(in_nc_node);
+ batadv_nc_node_put(out_nc_node);
}
/**
@@ -1215,14 +1213,10 @@ static bool batadv_nc_code_packets(struct batadv_priv *bat_priv,
batadv_send_unicast_skb(skb_dest, first_dest);
res = true;
out:
- if (router_neigh)
- batadv_neigh_node_put(router_neigh);
- if (router_coding)
- batadv_neigh_node_put(router_coding);
- if (router_neigh_ifinfo)
- batadv_neigh_ifinfo_put(router_neigh_ifinfo);
- if (router_coding_ifinfo)
- batadv_neigh_ifinfo_put(router_coding_ifinfo);
+ batadv_neigh_node_put(router_neigh);
+ batadv_neigh_node_put(router_coding);
+ batadv_neigh_ifinfo_put(router_neigh_ifinfo);
+ batadv_neigh_ifinfo_put(router_coding_ifinfo);
return res;
}
diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c
index 3693f47d..aadc653c 100644
--- a/net/batman-adv/originator.c
+++ b/net/batman-adv/originator.c
@@ -664,8 +664,7 @@ batadv_neigh_node_create(struct batadv_orig_node *orig_node,
out:
spin_unlock_bh(&orig_node->neigh_list_lock);
- if (hardif_neigh)
- batadv_hardif_neigh_put(hardif_neigh);
+ batadv_hardif_neigh_put(hardif_neigh);
return neigh_node;
}
@@ -757,11 +756,9 @@ int batadv_hardif_neigh_dump(struct sk_buff *msg, struct netlink_callback *cb)
ret = msg->len;
out:
- if (hardif)
- batadv_hardif_put(hardif);
+ batadv_hardif_put(hardif);
dev_put(hard_iface);
- if (primary_if)
- batadv_hardif_put(primary_if);
+ batadv_hardif_put(primary_if);
dev_put(soft_iface);
return ret;
@@ -784,8 +781,7 @@ void batadv_orig_ifinfo_release(struct kref *ref)
/* this is the last reference to this object */
router = rcu_dereference_protected(orig_ifinfo->router, true);
- if (router)
- batadv_neigh_node_put(router);
+ batadv_neigh_node_put(router);
kfree_rcu(orig_ifinfo, rcu);
}
@@ -843,8 +839,7 @@ void batadv_orig_node_release(struct kref *ref)
orig_node->last_bonding_candidate = NULL;
spin_unlock_bh(&orig_node->neigh_list_lock);
- if (last_candidate)
- batadv_orig_ifinfo_put(last_candidate);
+ batadv_orig_ifinfo_put(last_candidate);
spin_lock_bh(&orig_node->vlan_list_lock);
hlist_for_each_entry_safe(vlan, node_tmp, &orig_node->vlan_list, list) {
@@ -1151,8 +1146,7 @@ batadv_find_best_neighbor(struct batadv_priv *bat_priv,
if (!kref_get_unless_zero(&neigh->refcount))
continue;
- if (best)
- batadv_neigh_node_put(best);
+ batadv_neigh_node_put(best);
best = neigh;
}
@@ -1197,8 +1191,7 @@ static bool batadv_purge_orig_node(struct batadv_priv *bat_priv,
BATADV_IF_DEFAULT);
batadv_update_route(bat_priv, orig_node, BATADV_IF_DEFAULT,
best_neigh_node);
- if (best_neigh_node)
- batadv_neigh_node_put(best_neigh_node);
+ batadv_neigh_node_put(best_neigh_node);
/* ... then for all other interfaces. */
rcu_read_lock();
@@ -1217,8 +1210,7 @@ static bool batadv_purge_orig_node(struct batadv_priv *bat_priv,
hard_iface);
batadv_update_route(bat_priv, orig_node, hard_iface,
best_neigh_node);
- if (best_neigh_node)
- batadv_neigh_node_put(best_neigh_node);
+ batadv_neigh_node_put(best_neigh_node);
batadv_hardif_put(hard_iface);
}
@@ -1348,11 +1340,9 @@ int batadv_orig_dump(struct sk_buff *msg, struct netlink_callback *cb)
ret = msg->len;
out:
- if (hardif)
- batadv_hardif_put(hardif);
+ batadv_hardif_put(hardif);
dev_put(hard_iface);
- if (primary_if)
- batadv_hardif_put(primary_if);
+ batadv_hardif_put(primary_if);
dev_put(soft_iface);
return ret;
diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c
index bb9e93e3..970d0d7c 100644
--- a/net/batman-adv/routing.c
+++ b/net/batman-adv/routing.c
@@ -101,8 +101,7 @@ static void _batadv_update_route(struct batadv_priv *bat_priv,
}
/* decrease refcount of previous best neighbor */
- if (curr_router)
- batadv_neigh_node_put(curr_router);
+ batadv_neigh_node_put(curr_router);
}
/**
@@ -128,8 +127,7 @@ void batadv_update_route(struct batadv_priv *bat_priv,
_batadv_update_route(bat_priv, orig_node, recv_if, neigh_node);
out:
- if (router)
- batadv_neigh_node_put(router);
+ batadv_neigh_node_put(router);
}
/**
@@ -269,10 +267,8 @@ static int batadv_recv_my_icmp_packet(struct batadv_priv *bat_priv,
goto out;
}
out:
- if (primary_if)
- batadv_hardif_put(primary_if);
- if (orig_node)
- batadv_orig_node_put(orig_node);
+ batadv_hardif_put(primary_if);
+ batadv_orig_node_put(orig_node);
kfree_skb(skb);
@@ -324,10 +320,8 @@ static int batadv_recv_icmp_ttl_exceeded(struct batadv_priv *bat_priv,
skb = NULL;
out:
- if (primary_if)
- batadv_hardif_put(primary_if);
- if (orig_node)
- batadv_orig_node_put(orig_node);
+ batadv_hardif_put(primary_if);
+ batadv_orig_node_put(orig_node);
kfree_skb(skb);
@@ -425,8 +419,7 @@ int batadv_recv_icmp_packet(struct sk_buff *skb,
skb = NULL;
put_orig_node:
- if (orig_node)
- batadv_orig_node_put(orig_node);
+ batadv_orig_node_put(orig_node);
free_skb:
kfree_skb(skb);
@@ -513,8 +506,7 @@ batadv_last_bonding_replace(struct batadv_orig_node *orig_node,
orig_node->last_bonding_candidate = new_candidate;
spin_unlock_bh(&orig_node->neigh_list_lock);
- if (old_candidate)
- batadv_orig_ifinfo_put(old_candidate);
+ batadv_orig_ifinfo_put(old_candidate);
}
/**
@@ -656,8 +648,7 @@ next:
batadv_orig_ifinfo_put(next_candidate);
}
- if (last_candidate)
- batadv_orig_ifinfo_put(last_candidate);
+ batadv_orig_ifinfo_put(last_candidate);
return router;
}
@@ -785,10 +776,8 @@ batadv_reroute_unicast_packet(struct batadv_priv *bat_priv, struct sk_buff *skb,
ret = true;
out:
- if (primary_if)
- batadv_hardif_put(primary_if);
- if (orig_node)
- batadv_orig_node_put(orig_node);
+ batadv_hardif_put(primary_if);
+ batadv_orig_node_put(orig_node);
return ret;
}
@@ -1031,8 +1020,7 @@ int batadv_recv_unicast_packet(struct sk_buff *skb,
orig_node);
rx_success:
- if (orig_node)
- batadv_orig_node_put(orig_node);
+ batadv_orig_node_put(orig_node);
return NET_RX_SUCCESS;
}
@@ -1279,7 +1267,6 @@ free_skb:
kfree_skb(skb);
ret = NET_RX_DROP;
out:
- if (orig_node)
- batadv_orig_node_put(orig_node);
+ batadv_orig_node_put(orig_node);
return ret;
}
diff --git a/net/batman-adv/send.c b/net/batman-adv/send.c
index 0b9dd29d..2a33458b 100644
--- a/net/batman-adv/send.c
+++ b/net/batman-adv/send.c
@@ -152,8 +152,7 @@ int batadv_send_unicast_skb(struct sk_buff *skb,
if (hardif_neigh && ret != NET_XMIT_DROP)
hardif_neigh->bat_v.last_unicast_tx = jiffies;
- if (hardif_neigh)
- batadv_hardif_neigh_put(hardif_neigh);
+ batadv_hardif_neigh_put(hardif_neigh);
#endif
return ret;
@@ -309,8 +308,7 @@ bool batadv_send_skb_prepare_unicast_4addr(struct batadv_priv *bat_priv,
ret = true;
out:
- if (primary_if)
- batadv_hardif_put(primary_if);
+ batadv_hardif_put(primary_if);
return ret;
}
@@ -425,8 +423,7 @@ int batadv_send_skb_via_tt_generic(struct batadv_priv *bat_priv,
ret = batadv_send_skb_unicast(bat_priv, skb, packet_type,
packet_subtype, orig_node, vid);
- if (orig_node)
- batadv_orig_node_put(orig_node);
+ batadv_orig_node_put(orig_node);
return ret;
}
@@ -452,8 +449,7 @@ int batadv_send_skb_via_gw(struct batadv_priv *bat_priv, struct sk_buff *skb,
ret = batadv_send_skb_unicast(bat_priv, skb, BATADV_UNICAST_4ADDR,
BATADV_P_DATA, orig_node, vid);
- if (orig_node)
- batadv_orig_node_put(orig_node);
+ batadv_orig_node_put(orig_node);
return ret;
}
@@ -474,10 +470,8 @@ void batadv_forw_packet_free(struct batadv_forw_packet *forw_packet,
else
consume_skb(forw_packet->skb);
- if (forw_packet->if_incoming)
- batadv_hardif_put(forw_packet->if_incoming);
- if (forw_packet->if_outgoing)
- batadv_hardif_put(forw_packet->if_outgoing);
+ batadv_hardif_put(forw_packet->if_incoming);
+ batadv_hardif_put(forw_packet->if_outgoing);
if (forw_packet->queue_left)
atomic_inc(forw_packet->queue_left);
kfree(forw_packet);
@@ -867,8 +861,7 @@ static bool batadv_send_no_broadcast(struct batadv_priv *bat_priv,
ret = batadv_hardif_no_broadcast(if_out, bcast_packet->orig,
orig_neigh);
- if (neigh_node)
- batadv_hardif_neigh_put(neigh_node);
+ batadv_hardif_neigh_put(neigh_node);
/* ok, may broadcast */
if (!ret)
diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c
index e3580ddb..0604b027 100644
--- a/net/batman-adv/soft-interface.c
+++ b/net/batman-adv/soft-interface.c
@@ -383,10 +383,8 @@ dropped:
dropped_freed:
batadv_inc_counter(bat_priv, BATADV_CNT_TX_DROPPED);
end:
- if (mcast_single_orig)
- batadv_orig_node_put(mcast_single_orig);
- if (primary_if)
- batadv_hardif_put(primary_if);
+ batadv_orig_node_put(mcast_single_orig);
+ batadv_hardif_put(primary_if);
return NETDEV_TX_OK;
}
@@ -838,8 +836,7 @@ static int batadv_softif_slave_add(struct net_device *dev,
ret = batadv_hardif_enable_interface(hard_iface, dev);
out:
- if (hard_iface)
- batadv_hardif_put(hard_iface);
+ batadv_hardif_put(hard_iface);
return ret;
}
@@ -865,8 +862,7 @@ static int batadv_softif_slave_del(struct net_device *dev,
ret = 0;
out:
- if (hard_iface)
- batadv_hardif_put(hard_iface);
+ batadv_hardif_put(hard_iface);
return ret;
}
diff --git a/net/batman-adv/tp_meter.c b/net/batman-adv/tp_meter.c
index b0e67cd5..56b9fe97 100644
--- a/net/batman-adv/tp_meter.c
+++ b/net/batman-adv/tp_meter.c
@@ -751,12 +751,9 @@ move_twnd:
wake_up(&tp_vars->more_bytes);
out:
- if (likely(primary_if))
- batadv_hardif_put(primary_if);
- if (likely(orig_node))
- batadv_orig_node_put(orig_node);
- if (likely(tp_vars))
- batadv_tp_vars_put(tp_vars);
+ batadv_hardif_put(primary_if);
+ batadv_orig_node_put(orig_node);
+ batadv_tp_vars_put(tp_vars);
}
/**
@@ -885,10 +882,8 @@ static int batadv_tp_send(void *arg)
}
out:
- if (likely(primary_if))
- batadv_hardif_put(primary_if);
- if (likely(orig_node))
- batadv_orig_node_put(orig_node);
+ batadv_hardif_put(primary_if);
+ batadv_orig_node_put(orig_node);
batadv_tp_sender_end(bat_priv, tp_vars);
batadv_tp_sender_cleanup(bat_priv, tp_vars);
@@ -1208,10 +1203,8 @@ static int batadv_tp_send_ack(struct batadv_priv *bat_priv, const u8 *dst,
ret = 0;
out:
- if (likely(orig_node))
- batadv_orig_node_put(orig_node);
- if (likely(primary_if))
- batadv_hardif_put(primary_if);
+ batadv_orig_node_put(orig_node);
+ batadv_hardif_put(primary_if);
return ret;
}
@@ -1459,8 +1452,7 @@ send_ack:
batadv_tp_send_ack(bat_priv, icmp->orig, tp_vars->last_recv,
icmp->timestamp, icmp->session, icmp->uid);
out:
- if (likely(tp_vars))
- batadv_tp_vars_put(tp_vars);
+ batadv_tp_vars_put(tp_vars);
}
/**
diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index b89a4ed5..e0b3dace 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -813,13 +813,10 @@ check_roaming:
ret = true;
out:
- if (in_hardif)
- batadv_hardif_put(in_hardif);
+ batadv_hardif_put(in_hardif);
dev_put(in_dev);
- if (tt_local)
- batadv_tt_local_entry_put(tt_local);
- if (tt_global)
- batadv_tt_global_entry_put(tt_global);
+ batadv_tt_local_entry_put(tt_local);
+ batadv_tt_global_entry_put(tt_global);
return ret;
}
@@ -1209,8 +1206,7 @@ int batadv_tt_local_dump(struct sk_buff *msg, struct netlink_callback *cb)
ret = msg->len;
out:
- if (primary_if)
- batadv_hardif_put(primary_if);
+ batadv_hardif_put(primary_if);
dev_put(soft_iface);
cb->args[0] = bucket;
@@ -1298,8 +1294,7 @@ u16 batadv_tt_local_remove(struct batadv_priv *bat_priv, const u8 *addr,
batadv_tt_local_entry_put(tt_removed_entry);
out:
- if (tt_local_entry)
- batadv_tt_local_entry_put(tt_local_entry);
+ batadv_tt_local_entry_put(tt_local_entry);
return curr_flags;
}
@@ -1569,8 +1564,7 @@ batadv_tt_global_orig_entry_add(struct batadv_tt_global_entry *tt_global,
sync_flags:
batadv_tt_global_sync_flags(tt_global);
out:
- if (orig_entry)
- batadv_tt_orig_list_entry_put(orig_entry);
+ batadv_tt_orig_list_entry_put(orig_entry);
spin_unlock_bh(&tt_global->list_lock);
}
@@ -1743,10 +1737,8 @@ out_remove:
tt_global_entry->common.flags &= ~BATADV_TT_CLIENT_ROAM;
out:
- if (tt_global_entry)
- batadv_tt_global_entry_put(tt_global_entry);
- if (tt_local_entry)
- batadv_tt_local_entry_put(tt_local_entry);
+ batadv_tt_global_entry_put(tt_global_entry);
+ batadv_tt_local_entry_put(tt_local_entry);
return ret;
}
@@ -1782,15 +1774,13 @@ batadv_transtable_best_orig(struct batadv_priv *bat_priv,
}
/* release the refcount for the "old" best */
- if (best_router)
- batadv_neigh_node_put(best_router);
+ batadv_neigh_node_put(best_router);
best_entry = orig_entry;
best_router = router;
}
- if (best_router)
- batadv_neigh_node_put(best_router);
+ batadv_neigh_node_put(best_router);
return best_entry;
}
@@ -1996,8 +1986,7 @@ int batadv_tt_global_dump(struct sk_buff *msg, struct netlink_callback *cb)
ret = msg->len;
out:
- if (primary_if)
- batadv_hardif_put(primary_if);
+ batadv_hardif_put(primary_if);
dev_put(soft_iface);
cb->args[0] = bucket;
@@ -2188,10 +2177,8 @@ static void batadv_tt_global_del(struct batadv_priv *bat_priv,
}
out:
- if (tt_global_entry)
- batadv_tt_global_entry_put(tt_global_entry);
- if (local_entry)
- batadv_tt_local_entry_put(local_entry);
+ batadv_tt_global_entry_put(tt_global_entry);
+ batadv_tt_local_entry_put(local_entry);
}
/**
@@ -2418,10 +2405,8 @@ struct batadv_orig_node *batadv_transtable_search(struct batadv_priv *bat_priv,
rcu_read_unlock();
out:
- if (tt_global_entry)
- batadv_tt_global_entry_put(tt_global_entry);
- if (tt_local_entry)
- batadv_tt_local_entry_put(tt_local_entry);
+ batadv_tt_global_entry_put(tt_global_entry);
+ batadv_tt_local_entry_put(tt_local_entry);
return orig_node;
}
@@ -2982,8 +2967,7 @@ static bool batadv_send_tt_request(struct batadv_priv *bat_priv,
ret = true;
out:
- if (primary_if)
- batadv_hardif_put(primary_if);
+ batadv_hardif_put(primary_if);
if (ret && tt_req_node) {
spin_lock_bh(&bat_priv->tt.req_list_lock);
@@ -2994,8 +2978,7 @@ out:
spin_unlock_bh(&bat_priv->tt.req_list_lock);
}
- if (tt_req_node)
- batadv_tt_req_node_put(tt_req_node);
+ batadv_tt_req_node_put(tt_req_node);
kfree(tvlv_tt_data);
return ret;
@@ -3126,10 +3109,8 @@ unlock:
spin_unlock_bh(&req_dst_orig_node->tt_buff_lock);
out:
- if (res_dst_orig_node)
- batadv_orig_node_put(res_dst_orig_node);
- if (req_dst_orig_node)
- batadv_orig_node_put(req_dst_orig_node);
+ batadv_orig_node_put(res_dst_orig_node);
+ batadv_orig_node_put(req_dst_orig_node);
kfree(tvlv_tt_data);
return ret;
}
@@ -3243,10 +3224,8 @@ unlock:
spin_unlock_bh(&bat_priv->tt.last_changeset_lock);
out:
spin_unlock_bh(&bat_priv->tt.commit_lock);
- if (orig_node)
- batadv_orig_node_put(orig_node);
- if (primary_if)
- batadv_hardif_put(primary_if);
+ batadv_orig_node_put(orig_node);
+ batadv_hardif_put(primary_if);
kfree(tvlv_tt_data);
/* The packet was for this host, so it doesn't need to be re-routed */
return true;
@@ -3331,8 +3310,7 @@ static void batadv_tt_fill_gtable(struct batadv_priv *bat_priv,
atomic_set(&orig_node->last_ttvn, ttvn);
out:
- if (orig_node)
- batadv_orig_node_put(orig_node);
+ batadv_orig_node_put(orig_node);
}
static void batadv_tt_update_changes(struct batadv_priv *bat_priv,
@@ -3373,8 +3351,7 @@ bool batadv_is_my_client(struct batadv_priv *bat_priv, const u8 *addr,
goto out;
ret = true;
out:
- if (tt_local_entry)
- batadv_tt_local_entry_put(tt_local_entry);
+ batadv_tt_local_entry_put(tt_local_entry);
return ret;
}
@@ -3437,8 +3414,7 @@ static void batadv_handle_tt_response(struct batadv_priv *bat_priv,
spin_unlock_bh(&bat_priv->tt.req_list_lock);
out:
- if (orig_node)
- batadv_orig_node_put(orig_node);
+ batadv_orig_node_put(orig_node);
}
static void batadv_tt_roam_list_free(struct batadv_priv *bat_priv)
@@ -3569,8 +3545,7 @@ static void batadv_send_roam_adv(struct batadv_priv *bat_priv, u8 *client,
&tvlv_roam, sizeof(tvlv_roam));
out:
- if (primary_if)
- batadv_hardif_put(primary_if);
+ batadv_hardif_put(primary_if);
}
static void batadv_tt_purge(struct work_struct *work)
@@ -4165,8 +4140,7 @@ static int batadv_roam_tvlv_unicast_handler_v1(struct batadv_priv *bat_priv,
atomic_read(&orig_node->last_ttvn) + 1);
out:
- if (orig_node)
- batadv_orig_node_put(orig_node);
+ batadv_orig_node_put(orig_node);
return NET_RX_SUCCESS;
}
diff --git a/net/batman-adv/tvlv.c b/net/batman-adv/tvlv.c
index 1efea0ac..99277337 100644
--- a/net/batman-adv/tvlv.c
+++ b/net/batman-adv/tvlv.c
@@ -444,8 +444,7 @@ int batadv_tvlv_containers_process(struct batadv_priv *bat_priv,
ogm_source, orig_node,
src, dst, tvlv_value,
tvlv_value_cont_len);
- if (tvlv_handler)
- batadv_tvlv_handler_put(tvlv_handler);
+ batadv_tvlv_handler_put(tvlv_handler);
tvlv_value = (u8 *)tvlv_value + tvlv_value_cont_len;
tvlv_value_len -= tvlv_value_cont_len;
}
5 months, 1 week
- 1
- 0
[batman-adv] master: batman-adv: bcast: remove remaining skb-copy calls (603fd8ec)
by postmaster＠open-mesh.org
Repository : ssh://git@diktynna/batman-adv
On branch : master
>---------------------------------------------------------------
commit 603fd8ec2005caf6b9b194b575317c42a480d717
Author: Linus L��ssing <linus.luessing(a)c0d3.blue>
Date: Wed Aug 18 18:44:33 2021 +0200
batman-adv: bcast: remove remaining skb-copy calls
We currently have two code paths for broadcast packets:
A) self-generated, via batadv_interface_tx()->
batadv_send_bcast_packet().
B) received/forwarded, via batadv_recv_bcast_packet()->
batadv_forw_bcast_packet().
For A), self-generated broadcast packets:
the only modifications to the skb data is the ethernet header which is
added/pushed to the skb in
batadv_send_broadcast_skb()->batadv_send_skb_packet(). However before
doing so, batadv_skb_head_push() is called which calls skb_cow_head() to
unshare the space for the to be pushed ethernet header. So for this
case, it is safe to use skb clones.
For B), received/forwarded packets:
the same applies as in A) for the to be forwarded packets. Only the
ethernet header is added. However after (queueing for) forwarding the
packet in batadv_recv_bcast_packet()->batadv_forw_bcast_packet(), a
packet is additionally decapsulated and is sent up the stack through
batadv_recv_bcast_packet()->batadv_interface_rx().
Protocols higher up the stack are already required to check if the
packet is shared and create a copy for further modifications. When the
next (protocol) layer works correctly, it cannot happen that ot tries to
operate on the data behind the skb clone which is still queued up for
forwarding.
Signed-off-by: Linus L��ssing <linus.luessing(a)c0d3.blue>
Co-authored-by: Sven Eckelmann <sven(a)narfation.org>
Signed-off-by: Sven Eckelmann <sven(a)narfation.org>
>---------------------------------------------------------------
603fd8ec2005caf6b9b194b575317c42a480d717
net/batman-adv/send.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/net/batman-adv/send.c b/net/batman-adv/send.c
index 2a33458b..477d85a3 100644
--- a/net/batman-adv/send.c
+++ b/net/batman-adv/send.c
@@ -742,6 +742,10 @@ void batadv_forw_packet_ogmv1_queue(struct batadv_priv *bat_priv,
* Adds a broadcast packet to the queue and sets up timers. Broadcast packets
* are sent multiple times to increase probability for being received.
*
+ * This call clones the given skb, hence the caller needs to take into
+ * account that the data segment of the original skb might not be
+ * modifiable anymore.
+ *
* Return: NETDEV_TX_OK on success and NETDEV_TX_BUSY on errors.
*/
static int batadv_forw_bcast_packet_to_list(struct batadv_priv *bat_priv,
@@ -755,7 +759,7 @@ static int batadv_forw_bcast_packet_to_list(struct batadv_priv *bat_priv,
unsigned long send_time = jiffies;
struct sk_buff *newskb;
- newskb = skb_copy(skb, GFP_ATOMIC);
+ newskb = skb_clone(skb, GFP_ATOMIC);
if (!newskb)
goto err;
@@ -794,6 +798,10 @@ err:
* or if a delay is given after that. Furthermore, queues additional
* retransmissions if this interface is a wireless one.
*
+ * This call clones the given skb, hence the caller needs to take into
+ * account that the data segment of the original skb might not be
+ * modifiable anymore.
+ *
* Return: NETDEV_TX_OK on success and NETDEV_TX_BUSY on errors.
*/
static int batadv_forw_bcast_packet_if(struct batadv_priv *bat_priv,
@@ -808,7 +816,7 @@ static int batadv_forw_bcast_packet_if(struct batadv_priv *bat_priv,
int ret = NETDEV_TX_OK;
if (!delay) {
- newskb = skb_copy(skb, GFP_ATOMIC);
+ newskb = skb_clone(skb, GFP_ATOMIC);
if (!newskb)
return NETDEV_TX_BUSY;
5 months, 1 week
- 1
- 0
[batman-adv] master: batman-adv: compat: add the case if dev is NULL (00bf9107)
by postmaster＠open-mesh.org
Repository : ssh://git@diktynna/batman-adv
On branch : master
>---------------------------------------------------------------
commit 00bf9107d609dc03d29bc99b2121ac2d4b030883
Author: Yajun Deng <yajun.deng(a)linux.dev>
Date: Sat Aug 7 07:19:41 2021 +0200
batman-adv: compat: add the case if dev is NULL
Add the case if dev is NULL in dev_{put, hold}, so the caller doesn't
need to care whether dev is NULL or not.
Signed-off-by: Yajun Deng <yajun.deng(a)linux.dev>
Signed-off-by: David S. Miller <davem(a)davemloft.net>
[sven(a)narfation.org: Convert to compat code]
Signed-off-by: Sven Eckelmann <sven(a)narfation.org>
>---------------------------------------------------------------
00bf9107d609dc03d29bc99b2121ac2d4b030883
compat-include/linux/netdevice.h | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/compat-include/linux/netdevice.h b/compat-include/linux/netdevice.h
index 8f01b48f..9a62afcc 100644
--- a/compat-include/linux/netdevice.h
+++ b/compat-include/linux/netdevice.h
@@ -67,4 +67,27 @@ static inline int batadv_netif_rx_any_context(struct sk_buff *skb)
#endif /* LINUX_VERSION_IS_LESS(5, 10, 0) */
+
+#if LINUX_VERSION_IS_LESS(5, 15, 0)
+
+static inline void batadv_dev_put(struct net_device *dev)
+{
+ if (!dev)
+ return;
+
+ dev_put(dev);
+}
+#define dev_put batadv_dev_put
+
+static inline void batadv_dev_hold(struct net_device *dev)
+{
+ if (!dev)
+ return;
+
+ dev_hold(dev);
+}
+#define dev_hold batadv_dev_hold
+
+#endif /* LINUX_VERSION_IS_LESS(5, 15, 0) */
+
#endif /* _NET_BATMAN_ADV_COMPAT_LINUX_NETDEVICE_H_ */
5 months, 1 week
- 1
- 0
[batman-adv] master: batman-adv: Check ptr for NULL before reducing its refcnt (e65edcc1)
by postmaster＠open-mesh.org
Repository : ssh://git@diktynna/batman-adv
On branch : master
>---------------------------------------------------------------
commit e65edcc1b465847d3c2b513e36699065d1a15b57
Author: Sven Eckelmann <sven(a)narfation.org>
Date: Sun Aug 8 20:23:04 2021 +0200
batman-adv: Check ptr for NULL before reducing its refcnt
The commit b37a46683739 ("netdevice: add the case if dev is NULL") changed
the way how the NULL check for net_devices have to be handled when trying
to reduce its reference counter. Before this commit, it was the
responsibility of the caller to check whether the object is NULL or not.
But it was changed to behave more like kfree. Now the callee has to handle
the NULL-case.
The batman-adv code was scanned via cocinelle for similar places. These
were changed to use the paradigm
@@
identifier E, T, R, C;
identifier put;
@@
void put(struct T *E)
{
+ if (!E)
+ return;
kref_put(&E->C, R);
}
Functions which were used in other sources files were moved to the header
to allow the compiler to inline the NULL check and the kref_put call.
Signed-off-by: Sven Eckelmann <sven(a)narfation.org>
>---------------------------------------------------------------
e65edcc1b465847d3c2b513e36699065d1a15b57
net/batman-adv/bridge_loop_avoidance.c | 6 +++
net/batman-adv/distributed-arp-table.c | 3 ++
net/batman-adv/gateway_client.c | 12 +----
net/batman-adv/gateway_client.h | 16 +++++-
net/batman-adv/hard-interface.h | 3 ++
net/batman-adv/network-coding.c | 6 +++
net/batman-adv/originator.c | 72 +++----------------------
net/batman-adv/originator.h | 96 +++++++++++++++++++++++++++++++---
net/batman-adv/soft-interface.c | 15 +-----
net/batman-adv/soft-interface.h | 16 +++++-
net/batman-adv/tp_meter.c | 3 ++
net/batman-adv/translation-table.c | 22 ++++----
net/batman-adv/translation-table.h | 18 ++++++-
net/batman-adv/tvlv.c | 6 +++
14 files changed, 181 insertions(+), 113 deletions(-)
diff --git a/net/batman-adv/bridge_loop_avoidance.c b/net/batman-adv/bridge_loop_avoidance.c
index 2b639c8b..134db98a 100644
--- a/net/batman-adv/bridge_loop_avoidance.c
+++ b/net/batman-adv/bridge_loop_avoidance.c
@@ -162,6 +162,9 @@ static void batadv_backbone_gw_release(struct kref *ref)
*/
static void batadv_backbone_gw_put(struct batadv_bla_backbone_gw *backbone_gw)
{
+ if (!backbone_gw)
+ return;
+
kref_put(&backbone_gw->refcount, batadv_backbone_gw_release);
}
@@ -197,6 +200,9 @@ static void batadv_claim_release(struct kref *ref)
*/
static void batadv_claim_put(struct batadv_bla_claim *claim)
{
+ if (!claim)
+ return;
+
kref_put(&claim->refcount, batadv_claim_release);
}
diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c
index 7976a043..60f1ae1a 100644
--- a/net/batman-adv/distributed-arp-table.c
+++ b/net/batman-adv/distributed-arp-table.c
@@ -127,6 +127,9 @@ static void batadv_dat_entry_release(struct kref *ref)
*/
static void batadv_dat_entry_put(struct batadv_dat_entry *dat_entry)
{
+ if (!dat_entry)
+ return;
+
kref_put(&dat_entry->refcount, batadv_dat_entry_release);
}
diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c
index 36a98d3c..c36a8132 100644
--- a/net/batman-adv/gateway_client.c
+++ b/net/batman-adv/gateway_client.c
@@ -59,7 +59,7 @@
* after rcu grace period
* @ref: kref pointer of the gw_node
*/
-static void batadv_gw_node_release(struct kref *ref)
+void batadv_gw_node_release(struct kref *ref)
{
struct batadv_gw_node *gw_node;
@@ -69,16 +69,6 @@ static void batadv_gw_node_release(struct kref *ref)
kfree_rcu(gw_node, rcu);
}
-/**
- * batadv_gw_node_put() - decrement the gw_node refcounter and possibly release
- * it
- * @gw_node: gateway node to free
- */
-void batadv_gw_node_put(struct batadv_gw_node *gw_node)
-{
- kref_put(&gw_node->refcount, batadv_gw_node_release);
-}
-
/**
* batadv_gw_get_selected_gw_node() - Get currently selected gateway
* @bat_priv: the bat priv with all the soft interface information
diff --git a/net/batman-adv/gateway_client.h b/net/batman-adv/gateway_client.h
index 2ae5846e..95c2ccda 100644
--- a/net/batman-adv/gateway_client.h
+++ b/net/batman-adv/gateway_client.h
@@ -9,6 +9,7 @@
#include "main.h"
+#include <linux/kref.h>
#include <linux/netlink.h>
#include <linux/skbuff.h>
#include <linux/types.h>
@@ -27,7 +28,7 @@ void batadv_gw_node_update(struct batadv_priv *bat_priv,
void batadv_gw_node_delete(struct batadv_priv *bat_priv,
struct batadv_orig_node *orig_node);
void batadv_gw_node_free(struct batadv_priv *bat_priv);
-void batadv_gw_node_put(struct batadv_gw_node *gw_node);
+void batadv_gw_node_release(struct kref *ref);
struct batadv_gw_node *
batadv_gw_get_selected_gw_node(struct batadv_priv *bat_priv);
int batadv_gw_dump(struct sk_buff *msg, struct netlink_callback *cb);
@@ -38,4 +39,17 @@ batadv_gw_dhcp_recipient_get(struct sk_buff *skb, unsigned int *header_len,
struct batadv_gw_node *batadv_gw_node_get(struct batadv_priv *bat_priv,
struct batadv_orig_node *orig_node);
+/**
+ * batadv_gw_node_put() - decrement the gw_node refcounter and possibly release
+ * it
+ * @gw_node: gateway node to free
+ */
+static inline void batadv_gw_node_put(struct batadv_gw_node *gw_node)
+{
+ if (!gw_node)
+ return;
+
+ kref_put(&gw_node->refcount, batadv_gw_node_release);
+}
+
#endif /* _NET_BATMAN_ADV_GATEWAY_CLIENT_H_ */
diff --git a/net/batman-adv/hard-interface.h b/net/batman-adv/hard-interface.h
index 8cb2a1f1..64f660db 100644
--- a/net/batman-adv/hard-interface.h
+++ b/net/batman-adv/hard-interface.h
@@ -89,6 +89,9 @@ int batadv_hardif_no_broadcast(struct batadv_hard_iface *if_outgoing,
*/
static inline void batadv_hardif_put(struct batadv_hard_iface *hard_iface)
{
+ if (!hard_iface)
+ return;
+
kref_put(&hard_iface->refcount, batadv_hardif_release);
}
diff --git a/net/batman-adv/network-coding.c b/net/batman-adv/network-coding.c
index 4bb76b43..136b1a8e 100644
--- a/net/batman-adv/network-coding.c
+++ b/net/batman-adv/network-coding.c
@@ -217,6 +217,9 @@ static void batadv_nc_node_release(struct kref *ref)
*/
static void batadv_nc_node_put(struct batadv_nc_node *nc_node)
{
+ if (!nc_node)
+ return;
+
kref_put(&nc_node->refcount, batadv_nc_node_release);
}
@@ -241,6 +244,9 @@ static void batadv_nc_path_release(struct kref *ref)
*/
static void batadv_nc_path_put(struct batadv_nc_path *nc_path)
{
+ if (!nc_path)
+ return;
+
kref_put(&nc_path->refcount, batadv_nc_path_release);
}
diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c
index 6a4d3f43..3693f47d 100644
--- a/net/batman-adv/originator.c
+++ b/net/batman-adv/originator.c
@@ -177,7 +177,7 @@ out:
* and queue for free after rcu grace period
* @ref: kref pointer of the originator-vlan object
*/
-static void batadv_orig_node_vlan_release(struct kref *ref)
+void batadv_orig_node_vlan_release(struct kref *ref)
{
struct batadv_orig_node_vlan *orig_vlan;
@@ -186,16 +186,6 @@ static void batadv_orig_node_vlan_release(struct kref *ref)
kfree_rcu(orig_vlan, rcu);
}
-/**
- * batadv_orig_node_vlan_put() - decrement the refcounter and possibly release
- * the originator-vlan object
- * @orig_vlan: the originator-vlan object to release
- */
-void batadv_orig_node_vlan_put(struct batadv_orig_node_vlan *orig_vlan)
-{
- kref_put(&orig_vlan->refcount, batadv_orig_node_vlan_release);
-}
-
/**
* batadv_originator_init() - Initialize all originator structures
* @bat_priv: the bat priv with all the soft interface information
@@ -231,7 +221,7 @@ err:
* free after rcu grace period
* @ref: kref pointer of the neigh_ifinfo
*/
-static void batadv_neigh_ifinfo_release(struct kref *ref)
+void batadv_neigh_ifinfo_release(struct kref *ref)
{
struct batadv_neigh_ifinfo *neigh_ifinfo;
@@ -243,22 +233,12 @@ static void batadv_neigh_ifinfo_release(struct kref *ref)
kfree_rcu(neigh_ifinfo, rcu);
}
-/**
- * batadv_neigh_ifinfo_put() - decrement the refcounter and possibly release
- * the neigh_ifinfo
- * @neigh_ifinfo: the neigh_ifinfo object to release
- */
-void batadv_neigh_ifinfo_put(struct batadv_neigh_ifinfo *neigh_ifinfo)
-{
- kref_put(&neigh_ifinfo->refcount, batadv_neigh_ifinfo_release);
-}
-
/**
* batadv_hardif_neigh_release() - release hardif neigh node from lists and
* queue for free after rcu grace period
* @ref: kref pointer of the neigh_node
*/
-static void batadv_hardif_neigh_release(struct kref *ref)
+void batadv_hardif_neigh_release(struct kref *ref)
{
struct batadv_hardif_neigh_node *hardif_neigh;
@@ -273,22 +253,12 @@ static void batadv_hardif_neigh_release(struct kref *ref)
kfree_rcu(hardif_neigh, rcu);
}
-/**
- * batadv_hardif_neigh_put() - decrement the hardif neighbors refcounter
- * and possibly release it
- * @hardif_neigh: hardif neigh neighbor to free
- */
-void batadv_hardif_neigh_put(struct batadv_hardif_neigh_node *hardif_neigh)
-{
- kref_put(&hardif_neigh->refcount, batadv_hardif_neigh_release);
-}
-
/**
* batadv_neigh_node_release() - release neigh_node from lists and queue for
* free after rcu grace period
* @ref: kref pointer of the neigh_node
*/
-static void batadv_neigh_node_release(struct kref *ref)
+void batadv_neigh_node_release(struct kref *ref)
{
struct hlist_node *node_tmp;
struct batadv_neigh_node *neigh_node;
@@ -308,16 +278,6 @@ static void batadv_neigh_node_release(struct kref *ref)
kfree_rcu(neigh_node, rcu);
}
-/**
- * batadv_neigh_node_put() - decrement the neighbors refcounter and possibly
- * release it
- * @neigh_node: neigh neighbor to free
- */
-void batadv_neigh_node_put(struct batadv_neigh_node *neigh_node)
-{
- kref_put(&neigh_node->refcount, batadv_neigh_node_release);
-}
-
/**
* batadv_orig_router_get() - router to the originator depending on iface
* @orig_node: the orig node for the router
@@ -812,7 +772,7 @@ int batadv_hardif_neigh_dump(struct sk_buff *msg, struct netlink_callback *cb)
* free after rcu grace period
* @ref: kref pointer of the orig_ifinfo
*/
-static void batadv_orig_ifinfo_release(struct kref *ref)
+void batadv_orig_ifinfo_release(struct kref *ref)
{
struct batadv_orig_ifinfo *orig_ifinfo;
struct batadv_neigh_node *router;
@@ -830,16 +790,6 @@ static void batadv_orig_ifinfo_release(struct kref *ref)
kfree_rcu(orig_ifinfo, rcu);
}
-/**
- * batadv_orig_ifinfo_put() - decrement the refcounter and possibly release
- * the orig_ifinfo
- * @orig_ifinfo: the orig_ifinfo object to release
- */
-void batadv_orig_ifinfo_put(struct batadv_orig_ifinfo *orig_ifinfo)
-{
- kref_put(&orig_ifinfo->refcount, batadv_orig_ifinfo_release);
-}
-
/**
* batadv_orig_node_free_rcu() - free the orig_node
* @rcu: rcu pointer of the orig_node
@@ -863,7 +813,7 @@ static void batadv_orig_node_free_rcu(struct rcu_head *rcu)
* free after rcu grace period
* @ref: kref pointer of the orig_node
*/
-static void batadv_orig_node_release(struct kref *ref)
+void batadv_orig_node_release(struct kref *ref)
{
struct hlist_node *node_tmp;
struct batadv_neigh_node *neigh_node;
@@ -909,16 +859,6 @@ static void batadv_orig_node_release(struct kref *ref)
call_rcu(&orig_node->rcu, batadv_orig_node_free_rcu);
}
-/**
- * batadv_orig_node_put() - decrement the orig node refcounter and possibly
- * release it
- * @orig_node: the orig node to free
- */
-void batadv_orig_node_put(struct batadv_orig_node *orig_node)
-{
- kref_put(&orig_node->refcount, batadv_orig_node_release);
-}
-
/**
* batadv_originator_free() - Free all originator structures
* @bat_priv: the bat priv with all the soft interface information
diff --git a/net/batman-adv/originator.h b/net/batman-adv/originator.h
index 805be87d..ea3d69e4 100644
--- a/net/batman-adv/originator.h
+++ b/net/batman-adv/originator.h
@@ -12,6 +12,7 @@
#include <linux/compiler.h>
#include <linux/if_ether.h>
#include <linux/jhash.h>
+#include <linux/kref.h>
#include <linux/netlink.h>
#include <linux/skbuff.h>
#include <linux/types.h>
@@ -20,19 +21,18 @@ bool batadv_compare_orig(const struct hlist_node *node, const void *data2);
int batadv_originator_init(struct batadv_priv *bat_priv);
void batadv_originator_free(struct batadv_priv *bat_priv);
void batadv_purge_orig_ref(struct batadv_priv *bat_priv);
-void batadv_orig_node_put(struct batadv_orig_node *orig_node);
+void batadv_orig_node_release(struct kref *ref);
struct batadv_orig_node *batadv_orig_node_new(struct batadv_priv *bat_priv,
const u8 *addr);
struct batadv_hardif_neigh_node *
batadv_hardif_neigh_get(const struct batadv_hard_iface *hard_iface,
const u8 *neigh_addr);
-void
-batadv_hardif_neigh_put(struct batadv_hardif_neigh_node *hardif_neigh);
+void batadv_hardif_neigh_release(struct kref *ref);
struct batadv_neigh_node *
batadv_neigh_node_get_or_create(struct batadv_orig_node *orig_node,
struct batadv_hard_iface *hard_iface,
const u8 *neigh_addr);
-void batadv_neigh_node_put(struct batadv_neigh_node *neigh_node);
+void batadv_neigh_node_release(struct kref *ref);
struct batadv_neigh_node *
batadv_orig_router_get(struct batadv_orig_node *orig_node,
const struct batadv_hard_iface *if_outgoing);
@@ -42,7 +42,7 @@ batadv_neigh_ifinfo_new(struct batadv_neigh_node *neigh,
struct batadv_neigh_ifinfo *
batadv_neigh_ifinfo_get(struct batadv_neigh_node *neigh,
struct batadv_hard_iface *if_outgoing);
-void batadv_neigh_ifinfo_put(struct batadv_neigh_ifinfo *neigh_ifinfo);
+void batadv_neigh_ifinfo_release(struct kref *ref);
int batadv_hardif_neigh_dump(struct sk_buff *msg, struct netlink_callback *cb);
@@ -52,7 +52,7 @@ batadv_orig_ifinfo_get(struct batadv_orig_node *orig_node,
struct batadv_orig_ifinfo *
batadv_orig_ifinfo_new(struct batadv_orig_node *orig_node,
struct batadv_hard_iface *if_outgoing);
-void batadv_orig_ifinfo_put(struct batadv_orig_ifinfo *orig_ifinfo);
+void batadv_orig_ifinfo_release(struct kref *ref);
int batadv_orig_dump(struct sk_buff *msg, struct netlink_callback *cb);
struct batadv_orig_node_vlan *
@@ -61,7 +61,7 @@ batadv_orig_node_vlan_new(struct batadv_orig_node *orig_node,
struct batadv_orig_node_vlan *
batadv_orig_node_vlan_get(struct batadv_orig_node *orig_node,
unsigned short vid);
-void batadv_orig_node_vlan_put(struct batadv_orig_node_vlan *orig_vlan);
+void batadv_orig_node_vlan_release(struct kref *ref);
/**
* batadv_choose_orig() - Return the index of the orig entry in the hash table
@@ -82,4 +82,86 @@ static inline u32 batadv_choose_orig(const void *data, u32 size)
struct batadv_orig_node *
batadv_orig_hash_find(struct batadv_priv *bat_priv, const void *data);
+/**
+ * batadv_orig_node_vlan_put() - decrement the refcounter and possibly release
+ * the originator-vlan object
+ * @orig_vlan: the originator-vlan object to release
+ */
+static inline void
+batadv_orig_node_vlan_put(struct batadv_orig_node_vlan *orig_vlan)
+{
+ if (!orig_vlan)
+ return;
+
+ kref_put(&orig_vlan->refcount, batadv_orig_node_vlan_release);
+}
+
+/**
+ * batadv_neigh_ifinfo_put() - decrement the refcounter and possibly release
+ * the neigh_ifinfo
+ * @neigh_ifinfo: the neigh_ifinfo object to release
+ */
+static inline void
+batadv_neigh_ifinfo_put(struct batadv_neigh_ifinfo *neigh_ifinfo)
+{
+ if (!neigh_ifinfo)
+ return;
+
+ kref_put(&neigh_ifinfo->refcount, batadv_neigh_ifinfo_release);
+}
+
+/**
+ * batadv_hardif_neigh_put() - decrement the hardif neighbors refcounter
+ * and possibly release it
+ * @hardif_neigh: hardif neigh neighbor to free
+ */
+static inline void
+batadv_hardif_neigh_put(struct batadv_hardif_neigh_node *hardif_neigh)
+{
+ if (!hardif_neigh)
+ return;
+
+ kref_put(&hardif_neigh->refcount, batadv_hardif_neigh_release);
+}
+
+/**
+ * batadv_neigh_node_put() - decrement the neighbors refcounter and possibly
+ * release it
+ * @neigh_node: neigh neighbor to free
+ */
+static inline void batadv_neigh_node_put(struct batadv_neigh_node *neigh_node)
+{
+ if (!neigh_node)
+ return;
+
+ kref_put(&neigh_node->refcount, batadv_neigh_node_release);
+}
+
+/**
+ * batadv_orig_ifinfo_put() - decrement the refcounter and possibly release
+ * the orig_ifinfo
+ * @orig_ifinfo: the orig_ifinfo object to release
+ */
+static inline void
+batadv_orig_ifinfo_put(struct batadv_orig_ifinfo *orig_ifinfo)
+{
+ if (!orig_ifinfo)
+ return;
+
+ kref_put(&orig_ifinfo->refcount, batadv_orig_ifinfo_release);
+}
+
+/**
+ * batadv_orig_node_put() - decrement the orig node refcounter and possibly
+ * release it
+ * @orig_node: the orig node to free
+ */
+static inline void batadv_orig_node_put(struct batadv_orig_node *orig_node)
+{
+ if (!orig_node)
+ return;
+
+ kref_put(&orig_node->refcount, batadv_orig_node_release);
+}
+
#endif /* _NET_BATMAN_ADV_ORIGINATOR_H_ */
diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c
index ae368a42..e3580ddb 100644
--- a/net/batman-adv/soft-interface.c
+++ b/net/batman-adv/soft-interface.c
@@ -501,7 +501,7 @@ out:
* after rcu grace period
* @ref: kref pointer of the vlan object
*/
-static void batadv_softif_vlan_release(struct kref *ref)
+void batadv_softif_vlan_release(struct kref *ref)
{
struct batadv_softif_vlan *vlan;
@@ -514,19 +514,6 @@ static void batadv_softif_vlan_release(struct kref *ref)
kfree_rcu(vlan, rcu);
}
-/**
- * batadv_softif_vlan_put() - decrease the vlan object refcounter and
- * possibly release it
- * @vlan: the vlan object to release
- */
-void batadv_softif_vlan_put(struct batadv_softif_vlan *vlan)
-{
- if (!vlan)
- return;
-
- kref_put(&vlan->refcount, batadv_softif_vlan_release);
-}
-
/**
* batadv_softif_vlan_get() - get the vlan object for a specific vid
* @bat_priv: the bat priv with all the soft interface information
diff --git a/net/batman-adv/soft-interface.h b/net/batman-adv/soft-interface.h
index 67a2ddd6..9f2003f1 100644
--- a/net/batman-adv/soft-interface.h
+++ b/net/batman-adv/soft-interface.h
@@ -9,6 +9,7 @@
#include "main.h"
+#include <linux/kref.h>
#include <linux/netdevice.h>
#include <linux/skbuff.h>
#include <linux/types.h>
@@ -21,8 +22,21 @@ void batadv_interface_rx(struct net_device *soft_iface,
bool batadv_softif_is_valid(const struct net_device *net_dev);
extern struct rtnl_link_ops batadv_link_ops;
int batadv_softif_create_vlan(struct batadv_priv *bat_priv, unsigned short vid);
-void batadv_softif_vlan_put(struct batadv_softif_vlan *softif_vlan);
+void batadv_softif_vlan_release(struct kref *ref);
struct batadv_softif_vlan *batadv_softif_vlan_get(struct batadv_priv *bat_priv,
unsigned short vid);
+/**
+ * batadv_softif_vlan_put() - decrease the vlan object refcounter and
+ * possibly release it
+ * @vlan: the vlan object to release
+ */
+static inline void batadv_softif_vlan_put(struct batadv_softif_vlan *vlan)
+{
+ if (!vlan)
+ return;
+
+ kref_put(&vlan->refcount, batadv_softif_vlan_release);
+}
+
#endif /* _NET_BATMAN_ADV_SOFT_INTERFACE_H_ */
diff --git a/net/batman-adv/tp_meter.c b/net/batman-adv/tp_meter.c
index 789c8517..b0e67cd5 100644
--- a/net/batman-adv/tp_meter.c
+++ b/net/batman-adv/tp_meter.c
@@ -358,6 +358,9 @@ static void batadv_tp_vars_release(struct kref *ref)
*/
static void batadv_tp_vars_put(struct batadv_tp_vars *tp_vars)
{
+ if (!tp_vars)
+ return;
+
kref_put(&tp_vars->refcount, batadv_tp_vars_release);
}
diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index 711fe5a2..b89a4ed5 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -247,6 +247,9 @@ static void batadv_tt_local_entry_release(struct kref *ref)
static void
batadv_tt_local_entry_put(struct batadv_tt_local_entry *tt_local_entry)
{
+ if (!tt_local_entry)
+ return;
+
kref_put(&tt_local_entry->common.refcount,
batadv_tt_local_entry_release);
}
@@ -270,7 +273,7 @@ static void batadv_tt_global_entry_free_rcu(struct rcu_head *rcu)
* queue for free after rcu grace period
* @ref: kref pointer of the nc_node
*/
-static void batadv_tt_global_entry_release(struct kref *ref)
+void batadv_tt_global_entry_release(struct kref *ref)
{
struct batadv_tt_global_entry *tt_global_entry;
@@ -282,17 +285,6 @@ static void batadv_tt_global_entry_release(struct kref *ref)
call_rcu(&tt_global_entry->common.rcu, batadv_tt_global_entry_free_rcu);
}
-/**
- * batadv_tt_global_entry_put() - decrement the tt_global_entry refcounter and
- * possibly release it
- * @tt_global_entry: tt_global_entry to be free'd
- */
-void batadv_tt_global_entry_put(struct batadv_tt_global_entry *tt_global_entry)
-{
- kref_put(&tt_global_entry->common.refcount,
- batadv_tt_global_entry_release);
-}
-
/**
* batadv_tt_global_hash_count() - count the number of orig entries
* @bat_priv: the bat priv with all the soft interface information
@@ -452,6 +444,9 @@ static void batadv_tt_orig_list_entry_release(struct kref *ref)
static void
batadv_tt_orig_list_entry_put(struct batadv_tt_orig_list_entry *orig_entry)
{
+ if (!orig_entry)
+ return;
+
kref_put(&orig_entry->refcount, batadv_tt_orig_list_entry_release);
}
@@ -2603,6 +2598,9 @@ static void batadv_tt_req_node_release(struct kref *ref)
*/
static void batadv_tt_req_node_put(struct batadv_tt_req_node *tt_req_node)
{
+ if (!tt_req_node)
+ return;
+
kref_put(&tt_req_node->refcount, batadv_tt_req_node_release);
}
diff --git a/net/batman-adv/translation-table.h b/net/batman-adv/translation-table.h
index e1285904..d18740d9 100644
--- a/net/batman-adv/translation-table.h
+++ b/net/batman-adv/translation-table.h
@@ -9,6 +9,7 @@
#include "main.h"
+#include <linux/kref.h>
#include <linux/netdevice.h>
#include <linux/netlink.h>
#include <linux/skbuff.h>
@@ -28,7 +29,7 @@ void batadv_tt_global_del_orig(struct batadv_priv *bat_priv,
struct batadv_tt_global_entry *
batadv_tt_global_hash_find(struct batadv_priv *bat_priv, const u8 *addr,
unsigned short vid);
-void batadv_tt_global_entry_put(struct batadv_tt_global_entry *tt_global_entry);
+void batadv_tt_global_entry_release(struct kref *ref);
int batadv_tt_global_hash_count(struct batadv_priv *bat_priv,
const u8 *addr, unsigned short vid);
struct batadv_orig_node *batadv_transtable_search(struct batadv_priv *bat_priv,
@@ -55,4 +56,19 @@ bool batadv_tt_global_is_isolated(struct batadv_priv *bat_priv,
int batadv_tt_cache_init(void);
void batadv_tt_cache_destroy(void);
+/**
+ * batadv_tt_global_entry_put() - decrement the tt_global_entry refcounter and
+ * possibly release it
+ * @tt_global_entry: tt_global_entry to be free'd
+ */
+static inline void
+batadv_tt_global_entry_put(struct batadv_tt_global_entry *tt_global_entry)
+{
+ if (!tt_global_entry)
+ return;
+
+ kref_put(&tt_global_entry->common.refcount,
+ batadv_tt_global_entry_release);
+}
+
#endif /* _NET_BATMAN_ADV_TRANSLATION_TABLE_H_ */
diff --git a/net/batman-adv/tvlv.c b/net/batman-adv/tvlv.c
index 253f5a33..1efea0ac 100644
--- a/net/batman-adv/tvlv.c
+++ b/net/batman-adv/tvlv.c
@@ -50,6 +50,9 @@ static void batadv_tvlv_handler_release(struct kref *ref)
*/
static void batadv_tvlv_handler_put(struct batadv_tvlv_handler *tvlv_handler)
{
+ if (!tvlv_handler)
+ return;
+
kref_put(&tvlv_handler->refcount, batadv_tvlv_handler_release);
}
@@ -106,6 +109,9 @@ static void batadv_tvlv_container_release(struct kref *ref)
*/
static void batadv_tvlv_container_put(struct batadv_tvlv_container *tvlv)
{
+ if (!tvlv)
+ return;
+
kref_put(&tvlv->refcount, batadv_tvlv_container_release);
}
5 months, 1 week
- 1
- 0
[batman-adv] master: batman-adv: compat: Add support for linux/kstrtox.h (9c16e79d)
by postmaster＠open-mesh.org
Repository : ssh://git@diktynna/batman-adv
On branch : master
>---------------------------------------------------------------
commit 9c16e79d976b64c2fe78c4f76d3a15165db8be8a
Author: Sven Eckelmann <sven(a)narfation.org>
Date: Fri Jul 23 19:23:16 2021 +0200
batman-adv: compat: Add support for linux/kstrtox.h
The commit 4c52729377ea ("kernel.h: split out kstrtox() and simple_strtox()
to a separate header") moved the kstrtou64 function to a new header called
linux/kstrtox.h.
Signed-off-by: Sven Eckelmann <sven(a)narfation.org>
>---------------------------------------------------------------
9c16e79d976b64c2fe78c4f76d3a15165db8be8a
compat-include/linux/{minmax.h => kstrtox.h} | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/compat-include/linux/minmax.h b/compat-include/linux/kstrtox.h
similarity index 58%
copy from compat-include/linux/minmax.h
copy to compat-include/linux/kstrtox.h
index 9b7269e8..cd152e4b 100644
--- a/compat-include/linux/minmax.h
+++ b/compat-include/linux/kstrtox.h
@@ -7,14 +7,14 @@
* of the Linux kernel.
*/
-#ifndef _NET_BATMAN_ADV_COMPAT_LINUX_MINMAX_H_
-#define _NET_BATMAN_ADV_COMPAT_LINUX_MINMAX_H_
+#ifndef _NET_BATMAN_ADV_COMPAT_LINUX_KSTRTOX_H_
+#define _NET_BATMAN_ADV_COMPAT_LINUX_KSTRTOX_H_
#include <linux/version.h>
-#if LINUX_VERSION_IS_GEQ(5, 10, 0)
-#include_next <linux/minmax.h>
+#if LINUX_VERSION_IS_GEQ(5, 14, 0)
+#include_next <linux/kstrtox.h>
#else
#include <linux/kernel.h>
#endif
-#endif /* _NET_BATMAN_ADV_COMPAT_LINUX_MINMAX_H_ */
+#endif /* _NET_BATMAN_ADV_COMPAT_LINUX_KSTRTOX_H_ */
5 months, 1 week
- 1
- 0
[batman-adv] master: batman-adv: Remove redundant if statements (7f8802b0)
by postmaster＠open-mesh.org
Repository : ssh://git@diktynna/batman-adv
On branch : master
>---------------------------------------------------------------
commit 7f8802b0424345aacc9192795dd36094c04a921d
Author: Yajun Deng <yajun.deng(a)linux.dev>
Date: Sat Aug 7 07:19:42 2021 +0200
batman-adv: Remove redundant if statements
The 'if (dev)' statement already move into dev_{put , hold}, so remove
redundant if statements.
Signed-off-by: Yajun Deng <yajun.deng(a)linux.dev>
Signed-off-by: David S. Miller <davem(a)davemloft.net>
Signed-off-by: Sven Eckelmann <sven(a)narfation.org>
>---------------------------------------------------------------
7f8802b0424345aacc9192795dd36094c04a921d
net/batman-adv/bridge_loop_avoidance.c | 6 ++----
net/batman-adv/distributed-arp-table.c | 3 +--
net/batman-adv/gateway_client.c | 3 +--
net/batman-adv/multicast.c | 9 +++------
net/batman-adv/originator.c | 12 ++++--------
net/batman-adv/translation-table.c | 9 +++------
6 files changed, 14 insertions(+), 28 deletions(-)
diff --git a/net/batman-adv/bridge_loop_avoidance.c b/net/batman-adv/bridge_loop_avoidance.c
index 63d42dcc..2b639c8b 100644
--- a/net/batman-adv/bridge_loop_avoidance.c
+++ b/net/batman-adv/bridge_loop_avoidance.c
@@ -2274,8 +2274,7 @@ out:
if (primary_if)
batadv_hardif_put(primary_if);
- if (soft_iface)
- dev_put(soft_iface);
+ dev_put(soft_iface);
return ret;
}
@@ -2446,8 +2445,7 @@ out:
if (primary_if)
batadv_hardif_put(primary_if);
- if (soft_iface)
- dev_put(soft_iface);
+ dev_put(soft_iface);
return ret;
}
diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c
index 8c95a11a..7976a043 100644
--- a/net/batman-adv/distributed-arp-table.c
+++ b/net/batman-adv/distributed-arp-table.c
@@ -984,8 +984,7 @@ out:
if (primary_if)
batadv_hardif_put(primary_if);
- if (soft_iface)
- dev_put(soft_iface);
+ dev_put(soft_iface);
return ret;
}
diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c
index 007f2827..36a98d3c 100644
--- a/net/batman-adv/gateway_client.c
+++ b/net/batman-adv/gateway_client.c
@@ -557,8 +557,7 @@ int batadv_gw_dump(struct sk_buff *msg, struct netlink_callback *cb)
out:
if (primary_if)
batadv_hardif_put(primary_if);
- if (soft_iface)
- dev_put(soft_iface);
+ dev_put(soft_iface);
return ret;
}
diff --git a/net/batman-adv/multicast.c b/net/batman-adv/multicast.c
index 923e2197..0158f267 100644
--- a/net/batman-adv/multicast.c
+++ b/net/batman-adv/multicast.c
@@ -91,8 +91,7 @@ static struct net_device *batadv_mcast_get_bridge(struct net_device *soft_iface)
upper = netdev_master_upper_dev_get_rcu(upper);
} while (upper && !(upper->priv_flags & IFF_EBRIDGE));
- if (upper)
- dev_hold(upper);
+ dev_hold(upper);
rcu_read_unlock();
return upper;
@@ -509,8 +508,7 @@ batadv_mcast_mla_softif_get(struct net_device *dev,
}
out:
- if (bridge)
- dev_put(bridge);
+ dev_put(bridge);
return ret4 + ret6;
}
@@ -2239,8 +2237,7 @@ batadv_mcast_netlink_get_primary(struct netlink_callback *cb,
}
out:
- if (soft_iface)
- dev_put(soft_iface);
+ dev_put(soft_iface);
if (!ret && primary_if)
*primary_if = hard_iface;
diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c
index da724944..6a4d3f43 100644
--- a/net/batman-adv/originator.c
+++ b/net/batman-adv/originator.c
@@ -799,12 +799,10 @@ int batadv_hardif_neigh_dump(struct sk_buff *msg, struct netlink_callback *cb)
out:
if (hardif)
batadv_hardif_put(hardif);
- if (hard_iface)
- dev_put(hard_iface);
+ dev_put(hard_iface);
if (primary_if)
batadv_hardif_put(primary_if);
- if (soft_iface)
- dev_put(soft_iface);
+ dev_put(soft_iface);
return ret;
}
@@ -1412,12 +1410,10 @@ int batadv_orig_dump(struct sk_buff *msg, struct netlink_callback *cb)
out:
if (hardif)
batadv_hardif_put(hardif);
- if (hard_iface)
- dev_put(hard_iface);
+ dev_put(hard_iface);
if (primary_if)
batadv_hardif_put(primary_if);
- if (soft_iface)
- dev_put(soft_iface);
+ dev_put(soft_iface);
return ret;
}
diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index 434b4f04..711fe5a2 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -820,8 +820,7 @@ check_roaming:
out:
if (in_hardif)
batadv_hardif_put(in_hardif);
- if (in_dev)
- dev_put(in_dev);
+ dev_put(in_dev);
if (tt_local)
batadv_tt_local_entry_put(tt_local);
if (tt_global)
@@ -1217,8 +1216,7 @@ int batadv_tt_local_dump(struct sk_buff *msg, struct netlink_callback *cb)
out:
if (primary_if)
batadv_hardif_put(primary_if);
- if (soft_iface)
- dev_put(soft_iface);
+ dev_put(soft_iface);
cb->args[0] = bucket;
cb->args[1] = idx;
@@ -2005,8 +2003,7 @@ int batadv_tt_global_dump(struct sk_buff *msg, struct netlink_callback *cb)
out:
if (primary_if)
batadv_hardif_put(primary_if);
- if (soft_iface)
- dev_put(soft_iface);
+ dev_put(soft_iface);
cb->args[0] = bucket;
cb->args[1] = idx;
5 months, 1 week
- 1
- 0
[batman-adv] master: batman-adv: Switch to kstrtox.h for kstrtou64 (c9a69cb4)
by postmaster＠open-mesh.org
Repository : ssh://git@diktynna/batman-adv
On branch : master
>---------------------------------------------------------------
commit c9a69cb4048ebef3a4d91835669011a26d9b7dab
Author: Sven Eckelmann <sven(a)narfation.org>
Date: Fri Jul 23 19:23:17 2021 +0200
batman-adv: Switch to kstrtox.h for kstrtou64
The commit 4c52729377ea ("kernel.h: split out kstrtox() and simple_strtox()
to a separate header") moved the kstrtou64 function to a new header called
linux/kstrtox.h.
Signed-off-by: Sven Eckelmann <sven(a)narfation.org>
>---------------------------------------------------------------
c9a69cb4048ebef3a4d91835669011a26d9b7dab
net/batman-adv/gateway_common.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/batman-adv/gateway_common.c b/net/batman-adv/gateway_common.c
index fdde305a..9349c76f 100644
--- a/net/batman-adv/gateway_common.c
+++ b/net/batman-adv/gateway_common.c
@@ -10,7 +10,7 @@
#include <linux/atomic.h>
#include <linux/byteorder/generic.h>
#include <linux/errno.h>
-#include <linux/kernel.h>
+#include <linux/kstrtox.h>
#include <linux/limits.h>
#include <linux/math64.h>
#include <linux/netdevice.h>
5 months, 1 week
- 1
- 0