We maintain a counter of failed auth attempts to allow us to retry once
before failing.  However, if the second attempt succeeds, the flag isn't
cleared, which makes us think auth failed again later when the connection
resets for other reasons (like a socket error).

This is one part of the sorry sequence of events in bug

        http://tracker.ceph.com/issues/4282

Signed-off-by: Sage Weil <[email protected]>
Reviewed-by: Alex Elder <[email protected]>
(cherry picked from commit 20e55c4cc758e4dccdfd92ae8e9588dd624b2cd7)
---
 net/ceph/messenger.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index ba1037c..7f703ae 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -1542,7 +1542,6 @@ static int process_connect(struct ceph_connection *con)
                        con->error_msg = "connect authorization failure";
                        return -1;
                }
-               con->auth_retry = 1;
                con_out_kvec_reset(con);
                ret = prepare_write_connect(con);
                if (ret < 0)
@@ -1627,7 +1626,7 @@ static int process_connect(struct ceph_connection *con)
 
                WARN_ON(con->state != CON_STATE_NEGOTIATING);
                con->state = CON_STATE_OPEN;
-
+               con->auth_retry = 0;    /* we authenticated; clear flag */
                con->peer_global_seq = le32_to_cpu(con->in_reply.global_seq);
                con->connect_seq++;
                con->peer_features = server_feat;
-- 
1.8.1.2

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