aboutsummaryrefslogtreecommitdiff
path: root/mm/hwpoison-inject.c
diff options
context:
space:
mode:
authorDmitry Torokhov <dmitry.torokhov@gmail.com>2013-10-08 08:43:00 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2013-10-08 08:43:00 -0700
commite3c55d406bd8df1a878546002c93db90c42be10c (patch)
treeefb0ba2707c95fd7166cf1b76887c43c977e37dd /mm/hwpoison-inject.c
parent4d6e482675f13e33599fc3d18fc723959be0a9b6 (diff)
parentd0e639c9e06d44e713170031fe05fb60ebe680af (diff)
Merge tag 'v3.12-rc4' into next
Merge with mainline to bring in changes to input subsystem that were committed through other trees.
Diffstat (limited to 'mm/hwpoison-inject.c')
-rw-r--r--mm/hwpoison-inject.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/mm/hwpoison-inject.c b/mm/hwpoison-inject.c
index 3a61efc518d5..4c84678371eb 100644
--- a/mm/hwpoison-inject.c
+++ b/mm/hwpoison-inject.c
@@ -20,8 +20,6 @@ static int hwpoison_inject(void *data, u64 val)
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
- if (!hwpoison_filter_enable)
- goto inject;
if (!pfn_valid(pfn))
return -ENXIO;
@@ -33,6 +31,9 @@ static int hwpoison_inject(void *data, u64 val)
if (!get_page_unless_zero(hpage))
return 0;
+ if (!hwpoison_filter_enable)
+ goto inject;
+
if (!PageLRU(p) && !PageHuge(p))
shake_page(p, 0);
/*
@@ -88,12 +89,12 @@ static int pfn_inject_init(void)
* hardware status change, hence do not require hardware support.
* They are mainly for testing hwpoison in software level.
*/
- dentry = debugfs_create_file("corrupt-pfn", 0600, hwpoison_dir,
+ dentry = debugfs_create_file("corrupt-pfn", 0200, hwpoison_dir,
NULL, &hwpoison_fops);
if (!dentry)
goto fail;
- dentry = debugfs_create_file("unpoison-pfn", 0600, hwpoison_dir,
+ dentry = debugfs_create_file("unpoison-pfn", 0200, hwpoison_dir,
NULL, &unpoison_fops);
if (!dentry)
goto fail;