From: David S. Miller <davem@davemloft.net>
Date: Mon, 28 Mar 2011 23:51:15 +0000 (-0700)
Subject: ipv4: Don't ip_rt_put() an error pointer in RAW sockets.
X-Git-Tag: firefly_0821_release~7613^2~1737^2~8
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=4910ac6c526d2868adcb5893e0c428473de862b5;p=firefly-linux-kernel-4.4.55.git

ipv4: Don't ip_rt_put() an error pointer in RAW sockets.

Reported-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index e837ffd3edc3..2d3c72e5bbbf 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -569,6 +569,7 @@ static int raw_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 		rt = ip_route_output_flow(sock_net(sk), &fl4, sk);
 		if (IS_ERR(rt)) {
 			err = PTR_ERR(rt);
+			rt = NULL;
 			goto done;
 		}
 	}