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[linux-next] LinuxNextTracking branch, master, updated. next-20161108
by batman＠open-mesh.org 08 Nov '16

08 Nov '16

The following commit has been merged in the master branch: commit 422d2f77803d85477df72f3153e85fd2b8c6b9e9 Author: Sven Eckelmann <sven(a)narfation.org> Date: Mon Jul 25 00:42:44 2016 +0200 batman-adv: Remove needless init of variables on stack Some variables are overwritten immediatelly in a functions. These don't have to be initialized to a specific value on the stack because the value will be overwritten before they will be used anywhere. Signed-off-by: Sven Eckelmann <sven(a)narfation.org> Signed-off-by: Simon Wunderlich <sw(a)simonwunderlich.de> diff --git a/net/batman-adv/bat_v.c b/net/batman-adv/bat_v.c index e79f6f0..57c795c 100644 --- a/net/batman-adv/bat_v.c +++ b/net/batman-adv/bat_v.c @@ -787,7 +787,7 @@ static bool batadv_v_gw_is_eligible(struct batadv_priv *bat_priv, struct batadv_orig_node *curr_gw_orig, struct batadv_orig_node *orig_node) { - struct batadv_gw_node *curr_gw = NULL, *orig_gw = NULL; + struct batadv_gw_node *curr_gw, *orig_gw = NULL; u32 gw_throughput, orig_throughput, threshold; bool ret = false; diff --git a/net/batman-adv/bat_v_ogm.c b/net/batman-adv/bat_v_ogm.c index 1aeeadc..61ff5f8 100644 --- a/net/batman-adv/bat_v_ogm.c +++ b/net/batman-adv/bat_v_ogm.c @@ -401,7 +401,7 @@ static int batadv_v_ogm_metric_update(struct batadv_priv *bat_priv, struct batadv_hard_iface *if_incoming, struct batadv_hard_iface *if_outgoing) { - struct batadv_orig_ifinfo *orig_ifinfo = NULL; + struct batadv_orig_ifinfo *orig_ifinfo; struct batadv_neigh_ifinfo *neigh_ifinfo = NULL; bool protection_started = false; int ret = -EINVAL; @@ -486,7 +486,7 @@ static bool batadv_v_ogm_route_update(struct batadv_priv *bat_priv, struct batadv_hard_iface *if_outgoing) { struct batadv_neigh_node *router = NULL; - struct batadv_orig_node *orig_neigh_node = NULL; + struct batadv_orig_node *orig_neigh_node; struct batadv_neigh_node *orig_neigh_router = NULL; struct batadv_neigh_ifinfo *router_ifinfo = NULL, *neigh_ifinfo = NULL; u32 router_throughput, neigh_throughput; diff --git a/net/batman-adv/fragmentation.c b/net/batman-adv/fragmentation.c index 0934730..1b2f5b9 100644 --- a/net/batman-adv/fragmentation.c +++ b/net/batman-adv/fragmentation.c @@ -252,7 +252,7 @@ batadv_frag_merge_packets(struct hlist_head *chain) { struct batadv_frag_packet *packet; struct batadv_frag_list_entry *entry; - struct sk_buff *skb_out = NULL; + struct sk_buff *skb_out; int size, hdr_size = sizeof(struct batadv_frag_packet); /* Remove first entry, as this is the destination for the rest of the @@ -352,7 +352,7 @@ bool batadv_frag_skb_fwd(struct sk_buff *skb, struct batadv_orig_node *orig_node_src) { struct batadv_priv *bat_priv = netdev_priv(recv_if->soft_iface); - struct batadv_orig_node *orig_node_dst = NULL; + struct batadv_orig_node *orig_node_dst; struct batadv_neigh_node *neigh_node = NULL; struct batadv_frag_packet *packet; u16 total_size; diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c index de055d6..69bfe98 100644 --- a/net/batman-adv/gateway_client.c +++ b/net/batman-adv/gateway_client.c @@ -704,7 +704,7 @@ bool batadv_gw_out_of_range(struct batadv_priv *bat_priv, { struct batadv_neigh_node *neigh_curr = NULL; struct batadv_neigh_node *neigh_old = NULL; - struct batadv_orig_node *orig_dst_node = NULL; + struct batadv_orig_node *orig_dst_node; struct batadv_gw_node *gw_node = NULL; struct batadv_gw_node *curr_gw = NULL; struct batadv_neigh_ifinfo *curr_ifinfo, *old_ifinfo; diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c index 5f3bfc4..6af87c9 100644 --- a/net/batman-adv/originator.c +++ b/net/batman-adv/originator.c @@ -364,7 +364,7 @@ struct batadv_orig_ifinfo * batadv_orig_ifinfo_new(struct batadv_orig_node *orig_node, struct batadv_hard_iface *if_outgoing) { - struct batadv_orig_ifinfo *orig_ifinfo = NULL; + struct batadv_orig_ifinfo *orig_ifinfo; unsigned long reset_time; spin_lock_bh(&orig_node->neigh_list_lock); @@ -520,7 +520,7 @@ batadv_hardif_neigh_create(struct batadv_hard_iface *hard_iface, const u8 *neigh_addr) { struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface); - struct batadv_hardif_neigh_node *hardif_neigh = NULL; + struct batadv_hardif_neigh_node *hardif_neigh; spin_lock_bh(&hard_iface->neigh_list_lock); @@ -563,7 +563,7 @@ static struct batadv_hardif_neigh_node * batadv_hardif_neigh_get_or_create(struct batadv_hard_iface *hard_iface, const u8 *neigh_addr) { - struct batadv_hardif_neigh_node *hardif_neigh = NULL; + struct batadv_hardif_neigh_node *hardif_neigh; /* first check without locking to avoid the overhead */ hardif_neigh = batadv_hardif_neigh_get(hard_iface, neigh_addr); @@ -683,7 +683,7 @@ batadv_neigh_node_get_or_create(struct batadv_orig_node *orig_node, struct batadv_hard_iface *hard_iface, const u8 *neigh_addr) { - struct batadv_neigh_node *neigh_node = NULL; + struct batadv_neigh_node *neigh_node; /* first check without locking to avoid the overhead */ neigh_node = batadv_neigh_node_get(orig_node, hard_iface, neigh_addr); diff --git a/net/batman-adv/send.c b/net/batman-adv/send.c index 8d4e1f5..e1e9136 100644 --- a/net/batman-adv/send.c +++ b/net/batman-adv/send.c @@ -562,7 +562,7 @@ int batadv_add_bcast_packet_to_list(struct batadv_priv *bat_priv, const struct sk_buff *skb, unsigned long delay) { - struct batadv_hard_iface *primary_if = NULL; + struct batadv_hard_iface *primary_if; struct batadv_forw_packet *forw_packet; struct batadv_bcast_packet *bcast_packet; struct sk_buff *newskb; -- LinuxNextTracking

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[linux-next] LinuxNextTracking branch, master, updated. next-20161108
by batman＠open-mesh.org 08 Nov '16

08 Nov '16

The following commit has been merged in the master branch: commit 393b299d2cb804f09e05aafbdce9e3d3f61438cf Author: Markus Elfring <elfring(a)users.sourceforge.net> Date: Fri Mar 11 13:10:20 2016 +0100 batman-adv: Less function calls in batadv_is_ap_isolated() after error detection The variables "tt_local_entry" and "tt_global_entry" were eventually checked again despite of a corresponding null pointer test before. * Avoid this double check by reordering a function call sequence and the better selection of jump targets. * Omit the initialisation for these variables at the beginning then. Signed-off-by: Markus Elfring <elfring(a)users.sourceforge.net> Signed-off-by: Sven Eckelmann <sven(a)narfation.org> Signed-off-by: Simon Wunderlich <sw(a)simonwunderlich.de> diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c index 7f66309..ad1e3bc 100644 --- a/net/batman-adv/translation-table.c +++ b/net/batman-adv/translation-table.c @@ -3835,8 +3835,8 @@ void batadv_tt_local_commit_changes(struct batadv_priv *bat_priv) bool batadv_is_ap_isolated(struct batadv_priv *bat_priv, u8 *src, u8 *dst, unsigned short vid) { - struct batadv_tt_local_entry *tt_local_entry = NULL; - struct batadv_tt_global_entry *tt_global_entry = NULL; + struct batadv_tt_local_entry *tt_local_entry; + struct batadv_tt_global_entry *tt_global_entry; struct batadv_softif_vlan *vlan; bool ret = false; @@ -3845,27 +3845,24 @@ bool batadv_is_ap_isolated(struct batadv_priv *bat_priv, u8 *src, u8 *dst, return false; if (!atomic_read(&vlan->ap_isolation)) - goto out; + goto vlan_put; tt_local_entry = batadv_tt_local_hash_find(bat_priv, dst, vid); if (!tt_local_entry) - goto out; + goto vlan_put; tt_global_entry = batadv_tt_global_hash_find(bat_priv, src, vid); if (!tt_global_entry) - goto out; - - if (!_batadv_is_ap_isolated(tt_local_entry, tt_global_entry)) - goto out; + goto local_entry_put; - ret = true; + if (_batadv_is_ap_isolated(tt_local_entry, tt_global_entry)) + ret = true; -out: + batadv_tt_global_entry_put(tt_global_entry); +local_entry_put: + batadv_tt_local_entry_put(tt_local_entry); +vlan_put: batadv_softif_vlan_put(vlan); - if (tt_global_entry) - batadv_tt_global_entry_put(tt_global_entry); - if (tt_local_entry) - batadv_tt_local_entry_put(tt_local_entry); return ret; } -- LinuxNextTracking

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[linux-next] LinuxNextTracking branch, master, updated. next-20161108
by batman＠open-mesh.org 08 Nov '16

08 Nov '16

The following commit has been merged in the master branch: commit 0566df307bc882bfca4128521f01a48f4579d27d Author: Linus Lüssing <linus.luessing(a)c0d3.blue> Date: Tue Sep 20 15:59:17 2016 +0200 batman-adv: Allow selecting BATMAN V if CFG80211 is not built With the new stub for cfg80211_get_station(), we can now build the BATMAN V protocol even with a kernel that was built without any wireless support. Signed-off-by: Linus Lüssing <linus.luessing(a)c0d3.blue> Signed-off-by: Sven Eckelmann <sven(a)narfation.org> Signed-off-by: Simon Wunderlich <sw(a)simonwunderlich.de> diff --git a/net/batman-adv/Kconfig b/net/batman-adv/Kconfig index f20742c..b73b96a 100644 --- a/net/batman-adv/Kconfig +++ b/net/batman-adv/Kconfig @@ -17,7 +17,7 @@ config BATMAN_ADV config BATMAN_ADV_BATMAN_V bool "B.A.T.M.A.N. V protocol (experimental)" - depends on BATMAN_ADV && CFG80211=y || (CFG80211=m && BATMAN_ADV=m) + depends on BATMAN_ADV && !(CFG80211=m && BATMAN_ADV=y) default n help This option enables the B.A.T.M.A.N. V protocol, the successor -- LinuxNextTracking

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[linux-next] LinuxNextTracking branch, master, updated. next-20161108
by batman＠open-mesh.org 08 Nov '16

08 Nov '16

The following commit has been merged in the master branch: commit bf093191db672b2ba6b769f8f7e21519348ab7fd Author: Sven Eckelmann <sven(a)narfation.org> Date: Fri Jul 22 01:30:11 2016 +0200 batman-adv: Remove unused batadv_icmp_user_cmd_type Signed-off-by: Sven Eckelmann <sven(a)narfation.org> Signed-off-by: Simon Wunderlich <sw(a)simonwunderlich.de> diff --git a/net/batman-adv/packet.h b/net/batman-adv/packet.h index 6afc0b8..d2e9bbd 100644 --- a/net/batman-adv/packet.h +++ b/net/batman-adv/packet.h @@ -252,16 +252,6 @@ struct batadv_elp_packet { #define BATADV_ELP_HLEN sizeof(struct batadv_elp_packet) /** - * enum batadv_icmp_user_cmd_type - types for batman-adv icmp cmd modes - * @BATADV_TP_START: start a throughput meter run - * @BATADV_TP_STOP: stop a throughput meter run - */ -enum batadv_icmp_user_cmd_type { - BATADV_TP_START = 0, - BATADV_TP_STOP = 2, -}; - -/** * struct batadv_icmp_header - common members among all the ICMP packets * @packet_type: batman-adv packet type, part of the general header * @version: batman-adv protocol version, part of the genereal header -- LinuxNextTracking

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[linux-next] LinuxNextTracking branch, master, updated. next-20161108
by batman＠open-mesh.org 08 Nov '16

08 Nov '16

The following commit has been merged in the master branch: commit 739ae86cd2b34ba078cee7492d22283f5500ed19 Author: Sven Eckelmann <sven(a)narfation.org> Date: Fri Jul 22 01:30:09 2016 +0200 batman-adv: Remove unused function batadv_hash_delete Signed-off-by: Sven Eckelmann <sven(a)narfation.org> Signed-off-by: Simon Wunderlich <sw(a)simonwunderlich.de> diff --git a/net/batman-adv/hash.h b/net/batman-adv/hash.h index cbbf870..557a704 100644 --- a/net/batman-adv/hash.h +++ b/net/batman-adv/hash.h @@ -61,36 +61,6 @@ void batadv_hash_set_lock_class(struct batadv_hashtable *hash, /* free only the hashtable and the hash itself. */ void batadv_hash_destroy(struct batadv_hashtable *hash); -/* remove the hash structure. if hashdata_free_cb != NULL, this function will be - * called to remove the elements inside of the hash. if you don't remove the - * elements, memory might be leaked. - */ -static inline void batadv_hash_delete(struct batadv_hashtable *hash, - batadv_hashdata_free_cb free_cb, - void *arg) -{ - struct hlist_head *head; - struct hlist_node *node, *node_tmp; - spinlock_t *list_lock; /* spinlock to protect write access */ - u32 i; - - for (i = 0; i < hash->size; i++) { - head = &hash->table[i]; - list_lock = &hash->list_locks[i]; - - spin_lock_bh(list_lock); - hlist_for_each_safe(node, node_tmp, head) { - hlist_del_rcu(node); - - if (free_cb) - free_cb(node, arg); - } - spin_unlock_bh(list_lock); - } - - batadv_hash_destroy(hash); -} - /** * batadv_hash_add - adds data to the hashtable * @hash: storage hash table -- LinuxNextTracking

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[linux-next] LinuxNextTracking branch, master, updated. next-20161108
by batman＠open-mesh.org 08 Nov '16

08 Nov '16

The following commit has been merged in the master branch: commit 6020a86a4a208485640f7e17742835755c557676 Author: Linus Lüssing <linus.luessing(a)c0d3.blue> Date: Tue Aug 23 03:13:16 2016 +0200 batman-adv: fix batadv_forw_packet kerneldoc for list attribute The forw_packet list node is wrongly attributed to the icmp socket code. Signed-off-by: Linus Lüssing <linus.luessing(a)c0d3.blue> Signed-off-by: Sven Eckelmann <sven(a)narfation.org> Signed-off-by: Simon Wunderlich <sw(a)simonwunderlich.de> diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h index b3dd1a3..97336ec 100644 --- a/net/batman-adv/types.h +++ b/net/batman-adv/types.h @@ -1363,7 +1363,7 @@ struct batadv_skb_cb { /** * struct batadv_forw_packet - structure for bcast packets to be sent/forwarded - * @list: list node for batadv_socket_client::queue_list + * @list: list node for batadv_priv::forw_{bat,bcast}_list * @send_time: execution time for delayed_work (packet sending) * @own: bool for locally generated packets (local OGMs are re-scheduled after * sending) -- LinuxNextTracking

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[linux-next] LinuxNextTracking branch, master, updated. next-20161108
by batman＠open-mesh.org 08 Nov '16

08 Nov '16

The following commit has been merged in the master branch: commit c408c1b9d49077bd6f0e267292fd35624bac76fb Author: Sven Eckelmann <sven(a)narfation.org> Date: Fri Jul 22 01:30:10 2016 +0200 batman-adv: Move batadv_sum_counter to soft-interface.c The function batadv_sum_counter is only used in soft-interface.c and has no special relevance for main.h. Signed-off-by: Sven Eckelmann <sven(a)narfation.org> Signed-off-by: Simon Wunderlich <sw(a)simonwunderlich.de> diff --git a/net/batman-adv/main.h b/net/batman-adv/main.h index 8b0979b..6a2328d 100644 --- a/net/batman-adv/main.h +++ b/net/batman-adv/main.h @@ -185,7 +185,6 @@ enum batadv_uev_type { #include <linux/bitops.h> /* for packet.h */ #include <linux/compiler.h> -#include <linux/cpumask.h> #include <linux/etherdevice.h> #include <linux/if_ether.h> /* for packet.h */ #include <linux/if_vlan.h> @@ -284,26 +283,6 @@ static inline void batadv_add_counter(struct batadv_priv *bat_priv, size_t idx, #define batadv_inc_counter(b, i) batadv_add_counter(b, i, 1) -/** - * batadv_sum_counter - Sum the cpu-local counters for index 'idx' - * @bat_priv: the bat priv with all the soft interface information - * @idx: index of counter to sum up - * - * Return: sum of all cpu-local counters - */ -static inline u64 batadv_sum_counter(struct batadv_priv *bat_priv, size_t idx) -{ - u64 *counters, sum = 0; - int cpu; - - for_each_possible_cpu(cpu) { - counters = per_cpu_ptr(bat_priv->bat_counters, cpu); - sum += counters[idx]; - } - - return sum; -} - /* Define a macro to reach the control buffer of the skb. The members of the * control buffer are defined in struct batadv_skb_cb in types.h. * The macro is inspired by the similar macro TCP_SKB_CB() in tcp.h. diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c index 49e16b6..f37c1c7 100644 --- a/net/batman-adv/soft-interface.c +++ b/net/batman-adv/soft-interface.c @@ -22,6 +22,7 @@ #include <linux/byteorder/generic.h> #include <linux/cache.h> #include <linux/compiler.h> +#include <linux/cpumask.h> #include <linux/errno.h> #include <linux/etherdevice.h> #include <linux/ethtool.h> @@ -116,6 +117,26 @@ static int batadv_interface_release(struct net_device *dev) return 0; } +/** + * batadv_sum_counter - Sum the cpu-local counters for index 'idx' + * @bat_priv: the bat priv with all the soft interface information + * @idx: index of counter to sum up + * + * Return: sum of all cpu-local counters + */ +static u64 batadv_sum_counter(struct batadv_priv *bat_priv, size_t idx) +{ + u64 *counters, sum = 0; + int cpu; + + for_each_possible_cpu(cpu) { + counters = per_cpu_ptr(bat_priv->bat_counters, cpu); + sum += counters[idx]; + } + + return sum; +} + static struct net_device_stats *batadv_interface_stats(struct net_device *dev) { struct batadv_priv *bat_priv = netdev_priv(dev); -- LinuxNextTracking

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[linux-next] LinuxNextTracking branch, master, updated. next-20161108
by batman＠open-mesh.org 08 Nov '16

08 Nov '16

The following commit has been merged in the master branch: commit 0de939bac21e3031e06d9e9dc8007fb096e708a0 Author: Sven Eckelmann <sven(a)narfation.org> Date: Sat Jul 16 21:32:02 2016 +0200 batman-adv: Document new nc, mcast and tpmeter log levels Signed-off-by: Sven Eckelmann <sven(a)narfation.org> Signed-off-by: Simon Wunderlich <sw(a)simonwunderlich.de> diff --git a/Documentation/networking/batman-adv.txt b/Documentation/networking/batman-adv.txt index a918131..ccf9467 100644 --- a/Documentation/networking/batman-adv.txt +++ b/Documentation/networking/batman-adv.txt @@ -161,13 +161,16 @@ file in debugfs The additional debug output is by default disabled. It can be en- abled during run time. Following log_levels are defined: -0 - All debug output disabled -1 - Enable messages related to routing / flooding / broadcasting -2 - Enable messages related to route added / changed / deleted -4 - Enable messages related to translation table operations -8 - Enable messages related to bridge loop avoidance -16 - Enable messaged related to DAT, ARP snooping and parsing -31 - Enable all messages + 0 - All debug output disabled + 1 - Enable messages related to routing / flooding / broadcasting + 2 - Enable messages related to route added / changed / deleted + 4 - Enable messages related to translation table operations + 8 - Enable messages related to bridge loop avoidance + 16 - Enable messages related to DAT, ARP snooping and parsing + 32 - Enable messages related to network coding + 64 - Enable messages related to multicast +128 - Enable messages related to throughput meter +255 - Enable all messages The debug output can be changed at runtime using the file /sys/class/net/bat0/mesh/log_level. e.g. -- LinuxNextTracking

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[linux-next] LinuxNextTracking branch, master, updated. next-20161108
by batman＠open-mesh.org 08 Nov '16

08 Nov '16

The following commit has been merged in the master branch: commit 204fa42c6fc9f20e4142bd1309e0a5065966d64e Author: Sven Eckelmann <sven(a)narfation.org> Date: Sat Jul 16 21:32:01 2016 +0200 batman-adv: Add dat, mcast, nc and neighbor debugfs files to README Signed-off-by: Sven Eckelmann <sven(a)narfation.org> Signed-off-by: Simon Wunderlich <sw(a)simonwunderlich.de> diff --git a/Documentation/networking/batman-adv.txt b/Documentation/networking/batman-adv.txt index 8afa991..a918131 100644 --- a/Documentation/networking/batman-adv.txt +++ b/Documentation/networking/batman-adv.txt @@ -80,9 +80,10 @@ folder: There is a special folder for debugging information: # ls /sys/kernel/debug/batman_adv/bat0/ -# bla_backbone_table log transtable_global -# bla_claim_table originators transtable_local -# gateways socket +# bla_backbone_table log neighbors transtable_local +# bla_claim_table mcast_flags originators +# dat_cache nc socket +# gateways nc_nodes transtable_global Some of the files contain all sort of status information regard- ing the mesh network. For example, you can view the table of -- LinuxNextTracking

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[linux-next] LinuxNextTracking branch, master, updated. next-20161108
by batman＠open-mesh.org 08 Nov '16

08 Nov '16

The following commit has been merged in the master branch: commit 1ed0359f1556e4c57778933f1e1104ca2cff4994 Author: Sven Eckelmann <sven(a)narfation.org> Date: Sat Jul 16 21:30:22 2016 +0200 batman-adv: Add network_coding and mcast sysfs files to README Signed-off-by: Sven Eckelmann <sven(a)narfation.org> Signed-off-by: Simon Wunderlich <sw(a)simonwunderlich.de> diff --git a/Documentation/networking/batman-adv.txt b/Documentation/networking/batman-adv.txt index d414e60..8afa991 100644 --- a/Documentation/networking/batman-adv.txt +++ b/Documentation/networking/batman-adv.txt @@ -71,10 +71,11 @@ All mesh wide settings can be found in batman's own interface folder: # ls /sys/class/net/bat0/mesh/ -#aggregated_ogms distributed_arp_table gw_sel_class orig_interval -#ap_isolation fragmentation hop_penalty routing_algo -#bonding gw_bandwidth isolation_mark vlan0 -#bridge_loop_avoidance gw_mode log_level +# aggregated_ogms fragmentation isolation_mark routing_algo +# ap_isolation gw_bandwidth log_level vlan0 +# bonding gw_mode multicast_mode +# bridge_loop_avoidance gw_sel_class network_coding +# distributed_arp_table hop_penalty orig_interval There is a special folder for debugging information: -- LinuxNextTracking

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