gro: reset skb_iif on reuse

Like Herbert's change from a few days ago:

e01bc4c27d4f3123b11a3f543d47b716fe224081 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 <andy@greyhouse.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/core/dev.c b/net/core/dev.c
index 4c907895876be6e1690414c0d2919df6ff4cebce..b6d0bf875a8ef59b7291d0981aefd7629cd48080 100644 (file)
--- 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;
 }