ipv4: Initialize cork->opt using NULL not 0.

Noticed by Joe Perches.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 5f5fe4f742b9..0a2f49a442e8 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -1419,7 +1419,7 @@ struct sk_buff *ip_make_skb(struct sock *sk,
 
         cork.flags = 0;
         cork.addr = 0;
-        cork.opt = 0;
+        cork.opt = NULL;
         err = ip_setup_cork(sk, &cork, ipc, rtp);
         if (err)
                 return ERR_PTR(err);