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authorEric Dumazet <edumazet@google.com>2015-10-04 21:08:10 -0700
committerDavid S. Miller <davem@davemloft.net>2015-10-05 02:45:25 -0700
commit004a5d0140ce1d05c1f5fce5df4baa2717a330e0 (patch)
treed6d52b7f3a13ed734e499be05cb4eeaab47ba4da /net
parente7eadb4de9e645e1b34539dc4128240b1e5f71dc (diff)
downloadlinux-004a5d0140ce1d05c1f5fce5df4baa2717a330e0.tar.gz
net: use sk_fullsock() in __netdev_pick_tx()
SYN_RECV & TIMEWAIT sockets are not full blown, they do not have a
sk_dst_cache pointer.

Fixes: ca6fb0651883 ("tcp: attach SYNACK messages to request sockets instead of listener")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/core/dev.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index 323c04edd779..a229bf0d649d 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2974,6 +2974,7 @@ static u16 __netdev_pick_tx(struct net_device *dev, struct sk_buff *skb)
 			new_index = skb_tx_hash(dev, skb);
 
 		if (queue_index != new_index && sk &&
+		    sk_fullsock(sk) &&
 		    rcu_access_pointer(sk->sk_dst_cache))
 			sk_tx_queue_set(sk, new_index);