ARM: 7917/1: cacheflush: correctly limit range of memory region being flushed
authorJon Medhurst <tixy@linaro.org>
Mon, 9 Dec 2013 12:45:46 +0000 (13:45 +0100)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Mon, 9 Dec 2013 23:24:35 +0000 (23:24 +0000)
commitb31459adeab018b297541e288ac88873011da82a
treeeca8de340db8e002f3c53a1cf1fe8d3272951a2c
parent3abb6671a9c04479c4bd026798a05f857393b7e2
ARM: 7917/1: cacheflush: correctly limit range of memory region being flushed

The __do_cache_op function operates with a 'chunk' size of one page
but fails to limit the size of the final chunk so as to not exceed
the specified memory region. Fix this.

Cc: <stable@vger.kernel.org>
Reported-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Tested-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Jon Medhurst <tixy@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
arch/arm/kernel/traps.c