From: Antonio Quartulli <a@unstable.cc>
To: davem@davemloft.net
Cc: netdev@vger.kernel.org, b.a.t.m.a.n@lists.open-mesh.org,
Antonio Quartulli <a@unstable.cc>,
Markus Elfring <elfring@users.sourceforge.net>,
Marek Lindner <mareklindner@neomailbox.ch>
Subject: [B.A.T.M.A.N.] [PATCH 08/16] batman-adv: Delete unnecessary checks before the function call "kfree_skb"
Date: Sat, 9 Jan 2016 21:20:13 +0800 [thread overview]
Message-ID: <1452345621-15908-9-git-send-email-a@unstable.cc> (raw)
In-Reply-To: <1452345621-15908-1-git-send-email-a@unstable.cc>
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)
--
2.7.0
next prev parent reply other threads:[~2016-01-09 13:20 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-09 13:20 [B.A.T.M.A.N.] pull request: batman-adv 20160109 Antonio Quartulli
2016-01-09 13:20 ` [B.A.T.M.A.N.] [PATCH 01/16] batman-adv: Start new development cycle Antonio Quartulli
2016-01-09 13:20 ` [B.A.T.M.A.N.] [PATCH 02/16] batman-adv: Fix lockdep annotation of batadv_tlv_container_remove Antonio Quartulli
2016-01-09 13:20 ` [B.A.T.M.A.N.] [PATCH 03/16] batman-adv: remove leftovers of unused BATADV_PRIMARIES_FIRST_HOP flag Antonio Quartulli
2016-01-09 13:20 ` [B.A.T.M.A.N.] [PATCH 04/16] batman-adv: purge bridge loop avoidance when its disabled Antonio Quartulli
2016-01-09 13:20 ` [B.A.T.M.A.N.] [PATCH 05/16] batman-adv: increase BLA wait periods to 6 Antonio Quartulli
2016-01-09 13:20 ` [B.A.T.M.A.N.] [PATCH 06/16] batman-adv: only call post function if something changed Antonio Quartulli
2016-01-09 13:20 ` [B.A.T.M.A.N.] [PATCH 07/16] batman-adv: Add function to convert string to batadv throughput Antonio Quartulli
2016-01-09 13:20 ` Antonio Quartulli [this message]
2016-01-09 13:20 ` [B.A.T.M.A.N.] [PATCH 09/16] batman-adv: Less checks in batadv_tvlv_unicast_send() Antonio Quartulli
2016-01-09 13:20 ` [B.A.T.M.A.N.] [PATCH 10/16] batman-adv: Delete an unnecessary check before the function call "batadv_softif_vlan_free_ref" Antonio Quartulli
2016-01-09 13:20 ` [B.A.T.M.A.N.] [PATCH 11/16] batman-adv: Split a condition check Antonio Quartulli
2016-01-09 13:20 ` [B.A.T.M.A.N.] [PATCH 12/16] batman-adv: Change ifconfig examples to iproute2 Antonio Quartulli
2016-01-09 13:20 ` [B.A.T.M.A.N.] [PATCH 13/16] batman-adv: Fix kernel-doc parsing of main structs Antonio Quartulli
2016-01-09 13:20 ` [B.A.T.M.A.N.] [PATCH 14/16] batman-adv: Fix kerneldoc member names in for " Antonio Quartulli
2016-01-09 13:20 ` [B.A.T.M.A.N.] [PATCH 15/16] batman-adv: Remove kerneldoc for missing struct members Antonio Quartulli
2016-01-09 13:20 ` [B.A.T.M.A.N.] [PATCH 16/16] batman-adv: Add kerneldoc for batadv_neigh_node::refcount Antonio Quartulli
2016-01-10 2:49 ` [B.A.T.M.A.N.] pull request: batman-adv 20160109 David Miller
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1452345621-15908-9-git-send-email-a@unstable.cc \
--to=a@unstable.cc \
--cc=b.a.t.m.a.n@lists.open-mesh.org \
--cc=davem@davemloft.net \
--cc=elfring@users.sourceforge.net \
--cc=mareklindner@neomailbox.ch \
--cc=netdev@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).