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From: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
To: Jamal Hadi Salim <jhs@mojatatu.com>,
	Cong Wang <xiyou.wangcong@gmail.com>,
	Jiri Pirko <jiri@resnulli.us>,
	"David S. Miller" <davem@davemloft.net>
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	Vlad Buslov <vladbu@mellanox.com>,
	"Gustavo A. R. Silva" <gustavo@embeddedor.com>
Subject: [PATCH] net: sched: act_ife: fix memory leak
Date: Tue, 10 Jul 2018 08:53:47 -0500	[thread overview]
Message-ID: <20180710135347.GA15889@embeddedor.com> (raw)

In case memory resources for *p* are allocated, release them
before return.

Addresses-Coverity-ID: 1471714 ("Resource leak")
Fixes: 0190c1d452a9 ("net: sched: atomically check-allocate action")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
---
 net/sched/act_ife.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/net/sched/act_ife.c b/net/sched/act_ife.c
index a3eef00..3d6e265 100644
--- a/net/sched/act_ife.c
+++ b/net/sched/act_ife.c
@@ -485,8 +485,10 @@ static int tcf_ife_init(struct net *net, struct nlattr *nla,
 		return -ENOMEM;
 
 	err = tcf_idr_check_alloc(tn, &parm->index, a, bind);
-	if (err < 0)
+	if (err < 0) {
+		kfree(p);
 		return err;
+	}
 	exists = err;
 	if (exists && bind) {
 		kfree(p);
-- 
2.7.4

                 reply	other threads:[~2018-07-10 14:19 UTC|newest]

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