rbd: tear down watch request if rbd_dev_device_setup() fails

Tear down watch request if rbd_dev_device_setup() fails.

Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index d078d23..72a7eec 100644 (file)
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -5143,6 +5143,12 @@ static ssize_t do_rbd_add(struct bus_type *bus,
 
        rc = rbd_dev_device_setup(rbd_dev);
        if (rc) {
+               /*
+                * rbd_dev_header_unwatch_sync() can't be moved into
+                * rbd_dev_image_release() without refactoring, see
+                * commit 1f3ef78861ac.
+                */
+               rbd_dev_header_unwatch_sync(rbd_dev);
                rbd_dev_image_release(rbd_dev);
                goto err_out_module;
        }