From: Alexandre Rusev <arusev@ru.mvista.com>
Date: Tue, 26 Feb 2008 17:42:10 +0000 (+0100)
Subject: [ARM] 4839/1: fixes kernel Oops in /dev/mem device driver for memory map with PHYS_OFF
X-Git-Tag: v2.6.25-rc4~128^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9ae3ae0bebb9a3a348dc233229008b126014889d;p=pandora-kernel.git

[ARM] 4839/1: fixes kernel Oops in /dev/mem device driver for memory map with PHYS_OFF

"cat /dev/mem" may cause kernel Oops for boards with PHYS_OFFSET != 0
because character device is mapped to addresses starting from zero
and there is no protection against such situation.
Patch just add this.

Signed-off-by: Alexandre Rusev <arusev@ru.mvista.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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