[PATCH] ceph: properly put ceph_string reference after async create attempt

[Jeff Layton <jlayton@kernel.org>]

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

Fixes: 9a8d03ca2e2c ("ceph: attempt to do async create when possible")
Signed-off-by: Jeff Layton <jlayton@kernel.org>
---
 fs/ceph/file.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index ea1e9ac6c465..cbe4d5a5cde5 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -766,8 +766,10 @@ int ceph_atomic_open(struct inode *dir, struct dentry *dentry,
 				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;
 		}
 	}
-- 
2.34.1