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 aea5a199c37a341be3fab08500f1c35a34cbf215..b072386cee218ba508d572d049b2371ba9bf370e 100644 (file)
--- 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;