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net: skb_needs_check() accepts CHECKSUM_NONE for tx

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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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Eric Dumazet 2017-02-03 14:29:42 -08:00 committed by Greg Kroah-Hartman
parent e10f7bd6a6
commit 48a70be0de
1 changed files with 4 additions and 3 deletions
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7
net/core/dev.c
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@ -2702,9 +2702,10 @@ 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;
}
/**