ceph: propagate mds session allocation failures to caller
Return error to original caller if register_session() fails.
Signed-off-by: Sage Weil <sage@newdream.net>
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 5cbf46a..b6b5348 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -1567,8 +1567,13 @@
/* get, open session */
session = __ceph_lookup_mds_session(mdsc, mds);
- if (!session)
+ if (!session) {
session = register_session(mdsc, mds);
+ if (IS_ERR(session)) {
+ err = PTR_ERR(session);
+ goto finish;
+ }
+ }
dout("do_request mds%d session %p state %s\n", mds, session,
session_state_name(session->s_state));
if (session->s_state != CEPH_MDS_SESSION_OPEN &&