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(parent: 9bdf90c) | patch
kaweth: use skb_cow_head() to deal with cloned skbs
authorEric Dumazet <edumazet@google.com>
Wed, 19 Apr 2017 16:59:26 +0000 (09:59 -0700)
committerDavid S. Miller <davem@davemloft.net>
Fri, 21 Apr 2017 17:24:06 +0000 (13:24 -0400)
commit85d121d7b7cc70cca9750a81bfe764d1e2fd37e8
treecc445a8119f1eee88c561ee3bb8b0339b98f66c5tree | snapshot
parent9bdf90c2b896851e029a26db6653ccc9109597f9commit | diff
kaweth: use skb_cow_head() to deal with cloned skbs

We can use skb_cow_head() to properly deal with clones,
especially the ones coming from TCP stack that allow their head being
modified. This avoids a copy.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: James Hughes <james.hughes@raspberrypi.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/usb/kaweth.c diff | blob | history
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