md: raid1/raid10 md devices leak memory when stopping

Hi.

Raid1 and raid10 devices leak memory every time they stop.
This is a patch for linux-3.9.0-rc7 to fix this problem.

Thanks,
Hirokazu Takahashi.

Signed-off-by: Hirokazu Takahashi <taka@valinux.co.jp>
Signed-off-by: NeilBrown <neilb@suse.de>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index fd86b372692d..c055b92d7eb5 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -2901,6 +2901,7 @@ static int stop(struct mddev *mddev)
         if (conf->r1bio_pool)
                 mempool_destroy(conf->r1bio_pool);
         kfree(conf->mirrors);
+        safe_put_page(conf->tmppage);
         kfree(conf->poolinfo);
         kfree(conf);
         mddev->private = NULL;