| commit | b7c6d2675899cfff0180412c63fc9cbd5bacdb4d | [log] [tgz] |
|---|---|---|
| author | Eric Dumazet <edumazet@google.com> | Wed Apr 19 09:59:21 2017 -0700 |
| committer | David S. Miller <davem@davemloft.net> | Fri Apr 21 13:24:04 2017 -0400 |
| tree | 8c3d8abb51f9a938a28f781bcbe4621be0ebf567 | |
| parent | 95b9b88d2da5e43e025400afcb492643933bf858 [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>