From: Konstantin Khlebnikov <k.khlebnikov@samsung.com>
Date: Thu, 5 Dec 2013 13:23:48 +0000 (+0100)
Subject: ARM: 7913/1: fix framepointer check in unwind_frame
X-Git-Tag: v3.13-rc4~9^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3abb6671a9c04479c4bd026798a05f857393b7e2;p=pandora-kernel.git

ARM: 7913/1: fix framepointer check in unwind_frame

This patch fixes corner case when (fp + 4) overflows unsigned long,
for example: fp = 0xFFFFFFFF -> fp + 4 == 3.

Cc: <stable@vger.kernel.org>
Signed-off-by: Konstantin Khlebnikov <k.khlebnikov@samsung.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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