1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c
index d2d3fd54cc68..ee7646f974a0 100644
--- a/drivers/md/multipath.c
+++ b/drivers/md/multipath.c
@@ -150,7 +150,6 @@ static int multipath_make_request (struct request_queue *q, struct bio * bio)
         }
 
         mp_bh = mempool_alloc(conf->pool, GFP_NOIO);
-        memset(mp_bh, 0, sizeof(*mp_bh));
 
         mp_bh->master_bio = bio;
         mp_bh->mddev = mddev;
@@ -199,6 +198,9 @@ static int multipath_congested(void *data, int bits)
         multipath_conf_t *conf = mddev->private;
         int i, ret = 0;
 
+        if (mddev_congested(mddev, bits))
+                return 1;
+
         rcu_read_lock();
         for (i = 0; i < mddev->raid_disks ; i++) {
                 mdk_rdev_t *rdev = rcu_dereference(conf->multipaths[i].rdev);
@@ -504,7 +506,7 @@ static int multipath_run (mddev_t *mddev)
         }
 
         {
-                mddev->thread = md_register_thread(multipathd, mddev, "%s_multipath");
+                mddev->thread = md_register_thread(multipathd, mddev, NULL);
                 if (!mddev->thread) {
                         printk(KERN_ERR "multipath: couldn't allocate thread"
                                 " for %s\n", mdname(mddev));