ipv4: Simplify output route creation call sequence.
authorDavid S. Miller <davem@davemloft.net>
Thu, 17 Feb 2011 23:29:00 +0000 (15:29 -0800)
committerDavid S. Miller <davem@davemloft.net>
Thu, 17 Feb 2011 23:29:00 +0000 (15:29 -0800)
commit5ada552746685d558d0a8e9e979921c75a41e469
treee81111d9cdb826f34d31f1276a51321c6ce14df0
parentcf0bdefd4676ad4ad59507a058821491a40ec7e6
ipv4: Simplify output route creation call sequence.

There's a lot of redundancy and unnecessary stack frames
in the output route creation path.

1) Make __mkroute_output() return error pointers.

2) Eliminate ip_mkroute_output() entirely, made possible by #1.

3) Call __mkroute_output() directly and handling the returning error
   pointers in ip_route_output_slow().

Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/route.c