From: David S. Miller <davem@davemloft.net>
Date: Tue, 21 Feb 2012 22:59:19 +0000 (-0500)
Subject: ipv4: ping: Fix recvmsg MSG_OOB error handling.
X-Git-Tag: v3.3-rc6~36^2~18
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a5e7424d424f6398a198ead79d99e0a3c2f24ce8;p=platform%2Fkernel%2Flinux-stable.git

ipv4: ping: Fix recvmsg MSG_OOB error handling.

Don't return an uninitialized variable as the error, return
-EOPNOTSUPP instead.

Reported-by: Dave Jones <davej@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index aea5a19..b072386 100644
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -630,6 +630,7 @@ static int ping_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 
 	pr_debug("ping_recvmsg(sk=%p,sk->num=%u)\n", isk, isk->inet_num);
 
+	err = -EOPNOTSUPP;
 	if (flags & MSG_OOB)
 		goto out;