ceph: don't return a value from void function

This fixes a build warning to that effect.

Fixes: 1a829ff2a6c3 ("ceph: no need to check return value of debugfs_create functions")
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
diff --git a/fs/ceph/debugfs.c b/fs/ceph/debugfs.c
index 2eb88ed..facb387 100644
--- a/fs/ceph/debugfs.c
+++ b/fs/ceph/debugfs.c
@@ -294,7 +294,6 @@ void ceph_fs_debugfs_init(struct ceph_fs_client *fsc)
 
 void ceph_fs_debugfs_init(struct ceph_fs_client *fsc)
 {
-	return 0;
 }
 
 void ceph_fs_debugfs_cleanup(struct ceph_fs_client *fsc)