net: skb_needs_check() accepts CHECKSUM_NONE for tx
authorEric Dumazet <edumazet@google.com>
Fri, 3 Feb 2017 22:29:42 +0000 (14:29 -0800)
committerDavid S. Miller <davem@davemloft.net>
Fri, 3 Feb 2017 22:33:01 +0000 (17:33 -0500)
commit6e7bc478c9a006c701c14476ec9d389a484b4864
tree2a43fef8ad98fd58ad669dd84f30895e874d2df3
parent79e7fff47b7bb4124ef970a13eac4fdeddd1fc25
net: skb_needs_check() accepts CHECKSUM_NONE for tx

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>
net/core/dev.c