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ipv4: warn once on passing AF_INET6 socket to ip_recv_error

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One line change, in response to catching an occurrence of this bug.
See also fix f4713a3dfa ("net-timestamp: make tcp_recvmsg call ...")

Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Willem de Bruijn 2014-11-30 22:22:33 -05:00 committed by David S. Miller
parent 8d0c469753
commit 7ce875e5ec
1 changed files with 2 additions and 0 deletions
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2
net/ipv4/ip_sockglue.c
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@ -414,6 +414,8 @@ int ip_recv_error(struct sock *sk, struct msghdr *msg, int len, int *addr_len)
int err; int err;
int copied; int copied;
WARN_ON_ONCE(sk->sk_family == AF_INET6);
err = -EAGAIN; err = -EAGAIN;
skb = sock_dequeue_err_skb(sk); skb = sock_dequeue_err_skb(sk);
if (skb == NULL) if (skb == NULL)