Chen Gang a3c039929d fs/proc/task_mmu.c: check the return value of mpol_to_str()
mpol_to_str() may fail, and not fill the buffer (e.g. -EINVAL), so need
check about it, or buffer may not be zero based, and next seq_printf()
will cause issue.

The failure return need after mpol_cond_put() to match get_vma_policy().

Signed-off-by: Chen Gang <gang.chen@asianux.com>
Cc: Cyrill Gorcunov <gorcunov@gmail.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-09-11 15:59:03 -07:00
..
2013-06-29 12:56:55 +04:00
2013-09-04 09:23:46 -04:00
2013-07-05 18:59:33 +04:00
2013-06-29 12:56:46 +04:00
2013-08-12 15:22:43 -05:00
2013-07-09 10:33:25 -07:00
2013-06-29 12:56:53 +04:00
2013-09-07 10:38:29 +02:00
2013-06-29 12:56:47 +04:00
2013-09-09 09:19:15 -07:00
2013-06-29 12:56:37 +04:00
2013-06-29 12:56:32 +04:00
2013-06-29 12:56:38 +04:00
2013-06-29 12:56:39 +04:00
2013-09-09 11:19:09 -07:00
2013-06-29 12:56:29 +04:00
2013-06-29 12:56:28 +04:00
2013-09-09 11:19:09 -07:00
2013-07-03 16:08:06 -07:00
2013-06-29 12:57:04 +04:00
2013-07-10 18:11:34 -07:00
2013-07-10 18:11:34 -07:00
2013-04-29 15:40:23 -04:00
2013-09-04 09:23:46 -04:00
2012-10-22 08:50:37 +03:00
2013-06-29 12:57:05 +04:00
2013-03-03 23:00:23 -05:00
2013-09-03 22:52:45 -04:00
2013-02-22 23:31:31 -05:00
2013-04-17 13:25:09 +01:00
2013-05-07 20:16:25 -07:00
2013-05-31 15:16:33 -04:00
2013-06-29 12:57:05 +04:00
2013-09-07 19:54:56 -04:00
2013-05-29 12:57:34 -07:00