From f8e7718cc0445587fe8530fc2d240d9aac2c9072 Mon Sep 17 00:00:00 2001 From: Soheil Hassas Yeganeh Date: Wed, 20 Jul 2016 18:01:18 -0400 Subject: [PATCH] packet: propagate sock_cmsg_send() error sock_cmsg_send() can return different error codes and not only -EINVAL, and we should properly propagate them. Fixes: c14ac9451c34 ("sock: enable timestamping using control messages") Signed-off-by: Soheil Hassas Yeganeh Cc: Willem de Bruijn Signed-off-by: David S. Miller --- net/packet/af_packet.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 53e87ce..b43c401 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -1930,10 +1930,8 @@ retry: sockc.tsflags = sk->sk_tsflags; if (msg->msg_controllen) { err = sock_cmsg_send(sk, msg, &sockc); - if (unlikely(err)) { - err = -EINVAL; + if (unlikely(err)) goto out_unlock; - } } skb->protocol = proto; -- 2.7.4