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(parent: c7d442f) | 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)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Mon, 7 Apr 2014 11:10:00 +0000 (12:10 +0100)
commit8fad87bca7ac9737e413ba5f1656f1114a8c314d
tree5962461250dbb421d380b0486697486bbe4b57cftree | snapshot
parentc7d442f46c1bb18e48204f41c3d838c475eb5130commit | diff
ARM: 8012/1: kdump: Avoid overflow when converting pfn to physaddr

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>
arch/arm/kernel/crash_dump.c diff | blob | history
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