net/ipv4: Move device validation to helper

Move the device matching check in __fib_validate_source to a helper and
export it for use by netfilter modules. Code move only; no functional
change intended.

Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Ahern 2018-09-20 13:50:47 -07:00 • committed by David S. Miller
commit 78f2756c5f
2 changed files with 28 additions and 17 deletions