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-rw-r--r--mm/migrate.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/mm/migrate.c b/mm/migrate.c
index 449d77d409f..55bd355d170 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -9,7 +9,7 @@
* IWAMOTO Toshihiro <iwamoto@valinux.co.jp>
* Hirokazu Takahashi <taka@valinux.co.jp>
* Dave Hansen <haveblue@us.ibm.com>
- * Christoph Lameter <clameter@sgi.com>
+ * Christoph Lameter
*/
#include <linux/migrate.h>
@@ -865,6 +865,11 @@ static int do_move_pages(struct mm_struct *mm, struct page_to_node *pm,
goto set_status;
page = follow_page(vma, pp->addr, FOLL_GET);
+
+ err = PTR_ERR(page);
+ if (IS_ERR(page))
+ goto set_status;
+
err = -ENOENT;
if (!page)
goto set_status;
@@ -928,6 +933,11 @@ static int do_pages_stat(struct mm_struct *mm, struct page_to_node *pm)
goto set_status;
page = follow_page(vma, pm->addr, 0);
+
+ err = PTR_ERR(page);
+ if (IS_ERR(page))
+ goto set_status;
+
err = -ENOENT;
/* Use PageReserved to check for zero page */
if (!page || PageReserved(page))