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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)
commit39fba7835aacda65284a86e611774cbba71dac20
treecc445a8119f1eee88c561ee3bb8b0339b98f66c5tree | snapshot (tar.gz zip)
parent6bc6895bdd6744e0136eaa4a11fbdb20a7db4e40commit | 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 | blame | history