ipv4: Compute net once in ip_forward

Compute struct net from the input device in ip_forward before it is
used.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric W. Biederman 2015-09-15 20:03:54 -05:00 • committed by David S. Miller
commit fcad0ac2da