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-rw-r--r--mm/madvise.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/mm/madvise.c b/mm/madvise.c
index 51bffa414027..6975bc812542 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -343,15 +343,16 @@ static long madvise_remove(struct vm_area_struct *vma,
*/
static int madvise_hwpoison(int bhv, unsigned long start, unsigned long end)
{
- int ret = 0;
-
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
for (; start < end; start += PAGE_SIZE) {
struct page *p;
- int ret = get_user_pages_fast(start, 1, 0, &p);
+ int ret;
+
+ ret = get_user_pages_fast(start, 1, 0, &p);
if (ret != 1)
return ret;
+
if (PageHWPoison(p)) {
put_page(p);
continue;
@@ -369,7 +370,7 @@ static int madvise_hwpoison(int bhv, unsigned long start, unsigned long end)
/* Ignore return value for now */
memory_failure(page_to_pfn(p), 0, MF_COUNT_INCREASED);
}
- return ret;
+ return 0;
}
#endif