From: Jeff Layton <jlayton@kernel.org>
Date: Tue, 25 Jan 2022 20:39:16 +0000 (-0500)
Subject: ceph: properly put ceph_string reference after async create attempt
X-Git-Tag: v6.6.17~8302^2~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=932a9b5870d38b87ba0a9923c804b1af7d3605b9;p=platform%2Fkernel%2Flinux-rpi.git

ceph: properly put ceph_string reference after async create attempt

The reference acquired by try_prep_async_create is currently leaked.
Ensure we put it.

Cc: stable@vger.kernel.org
Fixes: 9a8d03ca2e2c ("ceph: attempt to do async create when possible")
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
---

diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index 5b9104b..6afae97 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -750,8 +750,10 @@ retry:
 				restore_deleg_ino(dir, req->r_deleg_ino);
 				ceph_mdsc_put_request(req);
 				try_async = false;
+				ceph_put_string(rcu_dereference_raw(lo.pool_ns));
 				goto retry;
 			}
+			ceph_put_string(rcu_dereference_raw(lo.pool_ns));
 			goto out_req;
 		}
 	}