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(parent: 6828a5f) | patch
ARM: 8012/1: kdump: Avoid overflow when converting pfn to physaddr
authorLiu Hua <sdu.liu@huawei.com>
Thu, 27 Mar 2014 05:56:18 +0000 (06:56 +0100)
committerJiri Slaby <jslaby@suse.cz>
Mon, 9 Jun 2014 13:53:18 +0000 (15:53 +0200)
commitc9d4313b44df42f7f67d4edda7c0498eee87ed05
treef4ade0971b9ddd6bb377dacb9e8537106b1744f0tree | snapshot
parent6828a5f3d4c385147d5228ae7b563222d3780798commit | diff
ARM: 8012/1: kdump: Avoid overflow when converting pfn to physaddr

commit 8fad87bca7ac9737e413ba5f1656f1114a8c314d upstream.

When we configure CONFIG_ARM_LPAE=y, pfn << PAGE_SHIFT will
overflow if pfn >= 0x100000 in copy_oldmem_page.
So use __pfn_to_phys for converting.

Signed-off-by: Liu Hua <sdu.liu@huawei.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
arch/arm/kernel/crash_dump.c diff | blob | blame | history
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