From: Adrian Bunk <bunk@kernel.org>
Date: Wed, 20 Feb 2008 00:28:54 +0000 (-0800)
Subject: ipv4/fib_hash.c: fix NULL dereference
X-Git-Tag: v2.6.25-rc3~9^2~33
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=94cb1503c799c0197e7ef5bad606fee5c84b99d8;p=pandora-kernel.git

ipv4/fib_hash.c: fix NULL dereference

Unless I miss a guaranteed relation between between "f" and
"new_fa->fa_info" this patch is required for fixing a NULL dereference
introduced by commit a6501e080c318f8d4467679d17807f42b3a33cd5 ("[IPV4]
FIB_HASH: Reduce memory needs and speedup lookups") and spotted by the
Coverity checker.

Eric Dumazet says:

	Hum, you are right, kmem_cache_free() doesnt allow a NULL
	object, like kfree() does.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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