net: skb_needs_check() accepts CHECKSUM_NONE for tx

commit 6e7bc478c9a006c701c14476ec9d389a484b4864 upstream.

My recent change missed fact that UFO would perform a complete
UDP checksum before segmenting in frags.

In this case skb->ip_summed is set to CHECKSUM_NONE.

We need to add this valid case to skb_needs_check()

Fixes: b2504a5dbef3 ("net: reduce skb_warn_bad_offload() noise")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Willy Tarreau <w@1wt.eu>
This commit is contained in:
Eric Dumazet 2017-02-03 14:29:42 -08:00 committed by syphyr
parent 641d0daaa6
commit aef4837cb8
1 changed files with 4 additions and 3 deletions

View File

@ -2342,9 +2342,10 @@ EXPORT_SYMBOL(skb_mac_gso_segment);
static inline bool skb_needs_check(struct sk_buff *skb, bool tx_path)
{
if (tx_path)
return skb->ip_summed != CHECKSUM_PARTIAL;
else
return skb->ip_summed == CHECKSUM_NONE;
return skb->ip_summed != CHECKSUM_PARTIAL &&
skb->ip_summed != CHECKSUM_NONE;
return skb->ip_summed == CHECKSUM_NONE;
}
/**