From: David S. Miller <davem@davemloft.net>
Date: Thu, 18 May 2017 02:54:11 +0000 (-0400)
Subject: ipv6: Check ip6_find_1stfragopt() return value properly.
X-Git-Tag: v3.2.89~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f7c2d2d7ebf9a110cafbe53199457c318f61a192;p=pandora-kernel.git

ipv6: Check ip6_find_1stfragopt() return value properly.

commit 7dd7eb9513bd02184d45f000ab69d78cb1fa1531 upstream.

Do not use unsigned variables to see if it returns a negative
error or not.

Fixes: 2423496af35d ("ipv6: Prevent overrun when parsing v6 header options")
Reported-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
[bwh: Backported to 3.2: adjust filenames, context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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