3.9-stable review patch.  If anyone has any objections, please let me know.

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

From: Anurup m <[email protected]>

commit ec686c9239b4d472052a271c505d04dae84214cc upstream.

There is a kernel memory leak observed when the proc file
/proc/fs/fscache/stats is read.

The reason is that in fscache_stats_open, single_open is called and the
respective release function is not called during release.  Hence fix
with correct release function - single_release().

Addresses https://bugzilla.kernel.org/show_bug.cgi?id=57101

Signed-off-by: Anurup m <[email protected]>
Cc: shyju pv <[email protected]>
Cc: Sanil kumar <[email protected]>
Cc: Nataraj m <[email protected]>
Cc: Li Zefan <[email protected]>
Cc: David Howells <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

---
 fs/fscache/stats.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/fscache/stats.c
+++ b/fs/fscache/stats.c
@@ -287,5 +287,5 @@ const struct file_operations fscache_sta
        .open           = fscache_stats_open,
        .read           = seq_read,
        .llseek         = seq_lseek,
-       .release        = seq_release,
+       .release        = single_release,
 };


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