gro: Fix error handling on extremely short frags

When a frag is shorter than an Ethernet header, we'd return a
zeroed packet instead of aborting.  This patch fixes that.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/core/dev.c b/net/core/dev.c
index 6e44c32..5379b0c 100644 (file)
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2536,6 +2536,7 @@ struct sk_buff *napi_fraginfo_skb(struct napi_struct *napi,
 
        if (!pskb_may_pull(skb, ETH_HLEN)) {
                napi_reuse_skb(napi, skb);
+               skb = NULL;
                goto out;
        }