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ARM: 7913/1: fix framepointer check in unwind_frame
authorKonstantin Khlebnikov <k.khlebnikov@samsung.com>
Thu, 5 Dec 2013 13:23:48 +0000 (14:23 +0100)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Mon, 9 Dec 2013 23:24:33 +0000 (23:24 +0000)
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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