ipv4: Cache net in ip_build_and_send_pkt and ip_queue_xmit

Compute net and store it in a variable in the functions
ip_build_and_send_pkt and ip_queue_xmit so that it does not need to be
recomputed next time it is needed.

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 2015-10-07 16:48:42 -05:00 • committed by David S. Miller
commit 77589ce0f8