From d96d60498ff748c5a88c72ec5d1cc4ba9a583e7e Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Sat, 20 Mar 2010 20:50:58 -0700
Subject: [PATCH] ceph: fix session check on mds reply
Fix a broken check that a reply came back from the same MDS we sent the
request to. I don't think a case that actually triggers this would ever
come up in practice, but it's clearly wrong and easy to fix.
Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Sage Weil <sage@newdream.net>
---
fs/ceph/mds_client.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index ad0fbc3128d3..5268d404963c 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -1778,7 +1778,7 @@ static void handle_reply(struct ceph_mds_session *session, struct ceph_msg *msg)
dout("handle_reply %p\n", req);
/* correct session? */
- if (!req->r_session && req->r_session != session) {
+ if (req->r_session != session) {
pr_err("mdsc_handle_reply got %llu on session mds%d"
" not mds%d\n", tid, session->s_mds,
req->r_session ? req->r_session->s_mds : -1);
--
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