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(parent: 95b9b88) | patch
smsc75xx: use skb_cow_head() to deal with cloned skbs
authorEric Dumazet <edumazet@google.com>
Wed, 19 Apr 2017 16:59:21 +0000 (09:59 -0700)
committerDavid S. Miller <davem@davemloft.net>
Fri, 21 Apr 2017 17:24:04 +0000 (13:24 -0400)
commitb7c6d2675899cfff0180412c63fc9cbd5bacdb4d
tree8c3d8abb51f9a938a28f781bcbe4621be0ebf567tree | snapshot (tar.gz zip)
parent95b9b88d2da5e43e025400afcb492643933bf858commit | diff
smsc75xx: use skb_cow_head() to deal with cloned skbs

We need to ensure there is enough headroom to push extra header,
but we also need to check if we are allowed to change headers.

skb_cow_head() is the proper helper to deal with this.

Fixes: d0cad871703b ("smsc75xx: SMSC LAN75xx USB gigabit ethernet adapter driver")
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/smsc75xx.c diff | blob | blame | history