From: Eric Dumazet <edumazet@google.com>
Date: Thu, 9 Jul 2015 16:56:07 +0000 (+0200)
Subject: bridge: fix potential crash in __netdev_pick_tx()
X-Git-Tag: omap-for-v4.3/fixes-merge-window~247^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a7d35f9d73e9ffa74a02304b817e579eec632f67;p=pandora-kernel.git

bridge: fix potential crash in __netdev_pick_tx()

Commit c29390c6dfee ("xps: must clear sender_cpu before forwarding")
fixed an issue in normal forward path, caused by sender_cpu & napi_id
skb fields being an union.

Bridge is another point where skb can be forwarded, so we need
the same cure.

Bug triggers if packet was received on a NIC using skb_mark_napi_id()

Fixes: 2bd82484bb4c ("xps: fix xps for stacked devices")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Bob Liu <bob.liu@oracle.com>
Tested-by: Bob Liu <bob.liu@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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