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net: Fix inverted test in __skb_recv_datagram

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As the kernel generally uses negated error numbers, *err needs to be
compared with -EAGAIN (d'oh).

Signed-off-by: Rainer Weikusat <rweikusat@mobileactivedefense.com>
Fixes: ea3793ee29 ("core: enable more fine-grained datagram reception control")
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Rainer Weikusat 2015-12-08 14:47:56 +00:00 committed by David S. Miller
parent e72c932d3f
commit 760a432247
1 changed files with 1 additions and 1 deletions
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net/core/datagram.c
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@ -275,7 +275,7 @@ struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned int flags,
if (skb) if (skb)
return skb; return skb;
if (*err != EAGAIN) if (*err != -EAGAIN)
break; break;
} while (timeo && } while (timeo &&
!__skb_wait_for_more_packets(sk, err, &timeo, last)); !__skb_wait_for_more_packets(sk, err, &timeo, last));