From: Sage Weil <sage@newdream.net>
Date: Sun, 21 Mar 2010 03:43:28 +0000 (-0700)
Subject: ceph: propagate mds session allocation failures to caller
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=9c423956b8a495f0c048143abc5da955a70eac97;p=linux-beck.git

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 5cbf46abfee3..b6b5348055fc 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -1567,8 +1567,13 @@ static int __do_request(struct ceph_mds_client *mdsc,
 
 	/* 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 &&