From: Eric Dumazet <edumazet@google.com>
Date: Sat, 15 Aug 2015 17:54:07 +0000 (-0700)
Subject: ipv4: fix refcount leak in fib_check_nh()
X-Git-Tag: omap-for-v4.3/fixes-rc1~110^2~164
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1e3136789975f03e461798149309034e5213c1b4;p=pandora-kernel.git

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>
---

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