From: David S. Miller <davem@davemloft.net>
Date: Mon, 11 Jun 2012 11:13:57 +0000 (-0700)
Subject: inet: Avoid potential NULL peer dereference.
X-Git-Tag: v3.6-rc1~125^2~566
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7b34ca2ac7063f4ebf07f85fd75253ed84d5c648;p=pandora-kernel.git

inet: Avoid potential NULL peer dereference.

We handle NULL in rt{,6}_set_peer but then our caller will try to pass
that NULL pointer into inet_putpeer() which isn't ready for it.

Fix this by moving the NULL check one level up, and then remove the
now unnecessary NULL check from inetpeer_ptr_set_peer().

Reported-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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