tree 5c930f08e146de5969f34cb98e605d8394366f70
parent 29b4eedee67b449534214058e1bcb36307a7f1dc
author Wanpeng Li <liwanp@linux.vnet.ibm.com> 1378934580 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1378940291 -0700

mm/hwpoison-inject.c: change permission of corrupt-pfn/unpoison-pfn to 0200

Hwpoison injection doesn't implement read method for
corrupt-pfn/unpoison-pfn attributes:

# cat /sys/kernel/debug/hwpoison/corrupt-pfn
cat: /sys/kernel/debug/hwpoison/corrupt-pfn: Permission denied
# cat /sys/kernel/debug/hwpoison/unpoison-pfn
cat: /sys/kernel/debug/hwpoison/unpoison-pfn: Permission denied

This patch changes the permission of corrupt-pfn/unpoison-pfn to 0200.

Signed-off-by: Wanpeng Li <liwanp@linux.vnet.ibm.com>
Reviewed-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>