Messages in this thread Patch in this message | | | From | "Hillf Danton" <> | Subject | [patch] ARM: fix module-bound check in setting page attributes | Date | Mon, 04 May 2015 10:52:31 +0800 |
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It was introduced in commit f2ca09f381a59 (ARM: 8311/1: Don't use is_module_addr in setting page attributes)
We have no need to check start twice, but see if end is also in range.
Signed-off-by: Hillf Danton <hillf.zj@alibaba-inc.com> Acked-by: Laura Abbott <laura@labbott.name> ---
--- a/arch/arm/mm/pageattr.c Mon May 4 10:33:49 2015 +++ b/arch/arm/mm/pageattr.c Mon May 4 10:35:32 2015 @@ -52,7 +52,7 @@ static int change_memory_common(unsigned if (start < MODULES_VADDR || start >= MODULES_END) return -EINVAL; - if (end < MODULES_VADDR || start >= MODULES_END) + if (end < MODULES_VADDR || end >= MODULES_END) return -EINVAL; data.set_mask = set_mask; --
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