Commit aef950b4 authored Dec 27, 2011 by Wei Yongjun Committed by David S. Miller Dec 27, 2011

packet: fix possible dev refcnt leak when bind fail



If bind is fail when bind is called after set PACKET_FANOUT
sock option, the dev refcnt will leak.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent c43c5f39

net/packet/af_packet.c

+5 −1

Original line number	Diff line number	Diff line
		@@ -2448,8 +2448,12 @@ static int packet_do_bind(struct sock sk, struct net_device dev, __be16 protoc
		{
		struct packet_sock *po = pkt_sk(sk);

		if (po->fanout)
		if (po->fanout) {
		if (dev)
		dev_put(dev);

		return -EINVAL;
		}

		lock_sock(sk);