From: Rainer Weikusat <rweikusat@mobileactivedefense.com>
Date: Tue, 8 Dec 2015 14:47:56 +0000 (+0000)
Subject: net: Fix inverted test in __skb_recv_datagram
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=760a4322470e3990b14e09bfe80c9c75c77f33dd;p=linux-beck.git

net: Fix inverted test in __skb_recv_datagram

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: ea3793ee29d3 ("core: enable more fine-grained datagram reception control")
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/core/datagram.c b/net/core/datagram.c
index 7daff66d3d0b..fa9dc6450b08 100644
--- a/net/core/datagram.c
+++ b/net/core/datagram.c
@@ -275,7 +275,7 @@ struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned int flags,
 		if (skb)
 			return skb;
 
-		if (*err != EAGAIN)
+		if (*err != -EAGAIN)
 			break;
 	} while (timeo &&
 		!__skb_wait_for_more_packets(sk, err, &timeo, last));