From 7ce875e5ecb8562fd44040f69bda96c999e38bbc Mon Sep 17 00:00:00 2001 From: Willem de Bruijn Date: Sun, 30 Nov 2014 22:22:33 -0500 Subject: [PATCH] ipv4: warn once on passing AF_INET6 socket to ip_recv_error One line change, in response to catching an occurrence of this bug. See also fix f4713a3dfad0 ("net-timestamp: make tcp_recvmsg call ...") Signed-off-by: Willem de Bruijn Signed-off-by: David S. Miller --- net/ipv4/ip_sockglue.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c index b7826575d215..59eba6c7a512 100644 --- a/net/ipv4/ip_sockglue.c +++ b/net/ipv4/ip_sockglue.c @@ -414,6 +414,8 @@ int ip_recv_error(struct sock *sk, struct msghdr *msg, int len, int *addr_len) int err; int copied; + WARN_ON_ONCE(sk->sk_family == AF_INET6); + err = -EAGAIN; skb = sock_dequeue_err_skb(sk); if (skb == NULL) -- 2.20.1