From: Markus Elfring elfring@users.sourceforge.net
The kfree_skb() function tests whether its argument is NULL and then returns immediately. Thus the test around the calls is not needed.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring elfring@users.sourceforge.net Signed-off-by: Marek Lindner mareklindner@neomailbox.ch Signed-off-by: Antonio Quartulli a@unstable.cc --- net/batman-adv/main.c | 2 +- net/batman-adv/network-coding.c | 4 +--- net/batman-adv/send.c | 3 +-- 3 files changed, 3 insertions(+), 6 deletions(-)
diff --git a/net/batman-adv/main.c b/net/batman-adv/main.c index 95fd418e9567..5b678f3471fc 100644 --- a/net/batman-adv/main.c +++ b/net/batman-adv/main.c @@ -1184,7 +1184,7 @@ void batadv_tvlv_unicast_send(struct batadv_priv *bat_priv, u8 *src, ret = true;
out: - if (skb && !ret) + if (!ret) kfree_skb(skb); if (orig_node) batadv_orig_node_free_ref(orig_node); diff --git a/net/batman-adv/network-coding.c b/net/batman-adv/network-coding.c index f5276be2c77c..c98b0ab85449 100644 --- a/net/batman-adv/network-coding.c +++ b/net/batman-adv/network-coding.c @@ -244,9 +244,7 @@ static void batadv_nc_path_free_ref(struct batadv_nc_path *nc_path) */ static void batadv_nc_packet_free(struct batadv_nc_packet *nc_packet) { - if (nc_packet->skb) - kfree_skb(nc_packet->skb); - + kfree_skb(nc_packet->skb); batadv_nc_path_free_ref(nc_packet->nc_path); kfree(nc_packet); } diff --git a/net/batman-adv/send.c b/net/batman-adv/send.c index f664324805eb..782fa33ec296 100644 --- a/net/batman-adv/send.c +++ b/net/batman-adv/send.c @@ -407,8 +407,7 @@ void batadv_schedule_bat_ogm(struct batadv_hard_iface *hard_iface)
static void batadv_forw_packet_free(struct batadv_forw_packet *forw_packet) { - if (forw_packet->skb) - kfree_skb(forw_packet->skb); + kfree_skb(forw_packet->skb); if (forw_packet->if_incoming) batadv_hardif_free_ref(forw_packet->if_incoming); if (forw_packet->if_outgoing)