Upstream: 6d152e23ad1a7a5b40fef1f42e017d66e6115159

Like Herbert's change from a few days ago:

66c46d741e2e60f0e8b625b80edb0ab820c46d7a gro: Reset dev pointer on reuse

this may not be necessary at this point, but we should still clean up
the skb->skb_iif.  If not we may end up with an invalid valid for
skb->skb_iif when the skb is reused and the check is done in
__netif_receive_skb.

Signed-off-by: Andy Gospodarek <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
---
 net/core/dev.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/net/core/dev.c b/net/core/dev.c
index 4c90789..b6d0bf8 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3426,6 +3426,7 @@ static void napi_reuse_skb(struct napi_struct *napi, 
struct sk_buff *skb)
        skb_reserve(skb, NET_IP_ALIGN - skb_headroom(skb));
        skb->vlan_tci = 0;
        skb->dev = napi->dev;
+       skb->skb_iif = 0;
 
        napi->skb = skb;
 }
-- 
1.7.3.4

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