tree 82c553cbe65590071c28001f27e6325ad240bbb9
parent d52736e24fe2e927c26817256f8d1a3c8b5d51a0
author Eric Dumazet <edumazet@google.com> 1439661247 -0700
committer David S. Miller <davem@davemloft.net> 1439788472 -0700

ipv4: fix refcount leak in fib_check_nh()

fib_lookup() forces FIB_LOOKUP_NOREF flag, while fib_table_lookup()
does not.

This patch solves the typical message at reboot time or device
dismantle :

unregister_netdevice: waiting for eth0 to become free. Usage count = 4

Fixes: 3bfd847203c6 ("net: Use passed in table for nexthop lookups")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: David Ahern <dsa@cumulusnetworks.com>
Acked-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>