rbd: fix ida/idr memory leak

ida_destroy() needs to be called on module exit to release ida caches.

Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
Reviewed-by: Alex Elder <elder@linaro.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 34a981ba1b9e..8295b3afa8e0 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -5473,6 +5473,7 @@ err_out_slab:
 
 static void __exit rbd_exit(void)
 {
+        ida_destroy(&rbd_dev_id_ida);
         rbd_sysfs_cleanup();
         if (single_major)
                 unregister_blkdev(rbd_major, RBD_DRV_NAME);