3.13.11-ckt34 -stable review patch.  If anyone has any objections, please let 
me know.

---8<------------------------------------------------------------

From: Al Viro <[email protected]>

commit 4d4d8573a8451acc9f01cbea24b7e55f04a252fe upstream.

Signed-off-by: Al Viro <[email protected]>
Tested-by: Joshua Schmid <[email protected]>
Tested-by: Eric Wheeler <[email protected]>
Cc: Kent Overstreet <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
Signed-off-by: Kamal Mostafa <[email protected]>
---
 drivers/md/bcache/super.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index 85a1d79..0dfe7ba 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -863,8 +863,11 @@ void bch_cached_dev_run(struct cached_dev *dc)
        buf[SB_LABEL_SIZE] = '\0';
        env[2] = kasprintf(GFP_KERNEL, "CACHED_LABEL=%s", buf);
 
-       if (atomic_xchg(&dc->running, 1))
+       if (atomic_xchg(&dc->running, 1)) {
+               kfree(env[1]);
+               kfree(env[2]);
                return;
+       }
 
        if (!d->c &&
            BDEV_STATE(&dc->sb) != BDEV_STATE_NONE) {
-- 
1.9.1

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