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 <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index b782657..59eba6c 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -414,6 +414,8 @@
int err;
int copied;
+ WARN_ON_ONCE(sk->sk_family == AF_INET6);
+
err = -EAGAIN;
skb = sock_dequeue_err_skb(sk);
if (skb == NULL)