Merge branch 'fix/acer-alc889-fix' into fix/hda

[firefly-linux-kernel-4.4.55.git] / drivers / block / rbd.c

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 148ab944378d57bdaec596e96bed6dc131777a28..3fd31dec8c9c1980fcdc8f7aa95b28d23addcb5b 100644 (file)
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -2184,6 +2184,8 @@ static ssize_t rbd_add(struct bus_type *bus,
        INIT_LIST_HEAD(&rbd_dev->node);
        INIT_LIST_HEAD(&rbd_dev->snaps);
 
+       init_rwsem(&rbd_dev->header.snap_rwsem);
+
        /* generate unique id: find highest unique id, add one */
        mutex_lock_nested(&ctl_mutex, SINGLE_DEPTH_NESTING);