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From: Gaurav Singh <gaurav1086@gmail.com>
To: gaurav1086@gmail.com, Jamal Hadi Salim <jhs@mojatatu.com>,
	Cong Wang <xiyou.wangcong@gmail.com>,
	Jiri Pirko <jiri@resnulli.us>,
	"David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	netdev@vger.kernel.org (open list:TC subsystem),
	linux-kernel@vger.kernel.org (open list)
Subject: [PATCH] [net/sched] Remove redundant skb null check
Date: Fri, 19 Jun 2020 15:24:13 -0400	[thread overview]
Message-ID: <20200619192414.22158-1-gaurav1086@gmail.com> (raw)
In-Reply-To: <20200618014328.28668-1-gaurav1086@gmail.com>

Remove the redundant null check for skb.

Signed-off-by: Gaurav Singh <gaurav1086@gmail.com>
---
 net/sched/act_api.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index 8ac7eb0a8309..90be8fe9128c 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -1475,7 +1475,7 @@ static int tc_ctl_action(struct sk_buff *skb, struct nlmsghdr *n,
 {
 	struct net *net = sock_net(skb->sk);
 	struct nlattr *tca[TCA_ROOT_MAX + 1];
-	u32 portid = skb ? NETLINK_CB(skb).portid : 0;
+	u32 portid = NETLINK_CB(skb).portid;
 	int ret = 0, ovr = 0;
 
 	if ((n->nlmsg_type != RTM_GETACTION) &&
-- 
2.17.1


  parent reply	other threads:[~2020-06-19 19:24 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-18  1:43 [PATCH] [net/sched] Fix null pointer deref skb in tc_ctl_action Gaurav Singh
2020-06-18  3:43 ` Eric Dumazet
2020-06-18 14:54 ` David Miller
2020-06-19 18:39 ` kernel test robot
2020-06-19 19:24 ` Gaurav Singh [this message]
2020-06-21  4:30   ` [PATCH] [net/sched] Remove redundant skb null check David Miller

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