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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);