From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Antonio Quartulli Date: Sat, 9 Jan 2016 21:20:13 +0800 Message-Id: <1452345621-15908-9-git-send-email-a@unstable.cc> In-Reply-To: <1452345621-15908-1-git-send-email-a@unstable.cc> References: <1452345621-15908-1-git-send-email-a@unstable.cc> Subject: [B.A.T.M.A.N.] [PATCH 08/16] batman-adv: Delete unnecessary checks before the function call "kfree_skb" List-Id: The list for a Better Approach To Mobile Ad-hoc Networking List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: davem@davemloft.net Cc: netdev@vger.kernel.org, b.a.t.m.a.n@lists.open-mesh.org, Antonio Quartulli , Markus Elfring , Marek Lindner From: Markus Elfring 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 Signed-off-by: Marek Lindner Signed-off-by: Antonio Quartulli --- 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) -- 2.7.0