[054/116] tmpfs: handle MPOL_LOCAL mount option properly

[Greg KH]

2.6.32-stable review patch.  If anyone has any objections, please let us know.

------------------

From: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>

commit 12821f5fb942e795f8009ece14bde868893bd811 upstream.

commit 71fe804b6d5 (mempolicy: use struct mempolicy pointer in
shmem_sb_info) added mpol=local mount option.  but its feature is broken
since it was born.  because such code always return 1 (i.e.  mount
failure).

This patch fixes it.

Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
Cc: Ravikiran Thirumalai <kiran@xxxxxxxxxxxx>
Cc: Christoph Lameter <cl@xxxxxxxxxxxxxxxxxxxx>
Cc: Mel Gorman <mel@xxxxxxxxx>
Acked-by: Lee Schermerhorn <lee.schermerhorn@xxxxxx>
Cc: Hugh Dickins <hugh.dickins@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
 mm/mempolicy.c |    1 +
 1 file changed, 1 insertion(+)

--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -2141,6 +2141,7 @@ int mpol_parse_str(char *str, struct mem
 		if (nodelist)
 			goto out;
 		mode = MPOL_PREFERRED;
+		err = 0;
 		break;
 	case MPOL_DEFAULT:
 		/*


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