4.1-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Eric Dumazet <[email protected]>

[ Upstream commit a7d35f9d73e9ffa74a02304b817e579eec632f67 ]

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 <[email protected]>
Reported-by: Bob Liu <[email protected]>
Tested-by: Bob Liu <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
 net/bridge/br_forward.c |    1 +
 1 file changed, 1 insertion(+)

--- a/net/bridge/br_forward.c
+++ b/net/bridge/br_forward.c
@@ -42,6 +42,7 @@ int br_dev_queue_push_xmit(struct sock *
        } else {
                skb_push(skb, ETH_HLEN);
                br_drop_fake_rtable(skb);
+               skb_sender_cpu_clear(skb);
                dev_queue_xmit(skb);
        }
 


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