diff options
| author | Krishnan Parthasarathi <kparthas@redhat.com> | 2015-05-19 15:01:08 +0530 | 
|---|---|---|
| committer | Raghavendra G <rgowdapp@redhat.com> | 2015-06-17 00:53:00 -0700 | 
| commit | e902df70f8157db4db503b7ec3c2635b08b3dcb2 (patch) | |
| tree | ad114936a7f4ae3130831f735a3c62ac2a509a65 /rpc/rpc-lib/src/rpc-clnt.c | |
| parent | 1b9a2edf2c18324ae961dd143e9e9685a019087f (diff) | |
rpc: fix possible deadlock left behind in d448fd1
See http://review.gluster.org/9613 for more details.
Change-Id: I05ac0267b8c6f4e9b354acbbdf5469835455fb10
Signed-off-by: Krishnan Parthasarathi <kparthas@redhat.com>
Reviewed-on: http://review.gluster.org/10821
Reviewed-by: Raghavendra G <rgowdapp@redhat.com>
Tested-by: Raghavendra G <rgowdapp@redhat.com>
Diffstat (limited to 'rpc/rpc-lib/src/rpc-clnt.c')
| -rw-r--r-- | rpc/rpc-lib/src/rpc-clnt.c | 30 | 
1 files changed, 13 insertions, 17 deletions
diff --git a/rpc/rpc-lib/src/rpc-clnt.c b/rpc/rpc-lib/src/rpc-clnt.c index 567ff35b86a..48bd35ce084 100644 --- a/rpc/rpc-lib/src/rpc-clnt.c +++ b/rpc/rpc-lib/src/rpc-clnt.c @@ -495,6 +495,7 @@ rpc_clnt_connection_cleanup (rpc_clnt_connection_t *conn)  {          struct saved_frames    *saved_frames = NULL;          struct rpc_clnt         *clnt  = NULL; +        int                     unref = 0;          if (!conn) {                  goto out; @@ -516,12 +517,7 @@ rpc_clnt_connection_cleanup (rpc_clnt_connection_t *conn)                  conn->connected = 0; -                if (conn->ping_timer) { -                        gf_timer_call_cancel (clnt->ctx, conn->ping_timer); -                        conn->ping_timer = NULL; -                        conn->ping_started = 0; -                        rpc_clnt_unref (clnt); -                } +                unref = rpc_clnt_remove_ping_timer_locked (clnt);                  /*reset rpc msgs stats*/                  conn->pingcnt = 0;                  conn->msgcnt = 0; @@ -529,6 +525,8 @@ rpc_clnt_connection_cleanup (rpc_clnt_connection_t *conn)          pthread_mutex_unlock (&conn->lock);          saved_frames_destroy (saved_frames); +        if (unref) +                rpc_clnt_unref (clnt);  out:          return 0; @@ -1709,6 +1707,7 @@ rpc_clnt_disable (struct rpc_clnt *rpc)  {          rpc_clnt_connection_t *conn = NULL;          rpc_transport_t       *trans = NULL; +        int                    unref = 0;          if (!rpc) {                  goto out; @@ -1731,12 +1730,7 @@ rpc_clnt_disable (struct rpc_clnt *rpc)                  }                  conn->connected = 0; -                if (conn->ping_timer) { -                        gf_timer_call_cancel (rpc->ctx, conn->ping_timer); -                        conn->ping_timer = NULL; -                        conn->ping_started = 0; -                        rpc_clnt_unref (rpc); -                } +                unref = rpc_clnt_remove_ping_timer_locked (rpc);                  trans = conn->trans;                  conn->trans = NULL; @@ -1747,6 +1741,9 @@ rpc_clnt_disable (struct rpc_clnt *rpc)                  rpc_transport_disconnect (trans);          } +        if (unref) +                rpc_clnt_unref (rpc); +  out:          return;  } @@ -1756,6 +1753,7 @@ rpc_clnt_disconnect (struct rpc_clnt *rpc)  {          rpc_clnt_connection_t *conn  = NULL;          rpc_transport_t       *trans = NULL; +        int                    unref = 0;          if (!rpc)                  goto out; @@ -1776,11 +1774,7 @@ rpc_clnt_disconnect (struct rpc_clnt *rpc)                  }                  conn->connected = 0; -                if (conn->ping_timer) { -                        gf_timer_call_cancel (rpc->ctx, conn->ping_timer); -                        conn->ping_timer = NULL; -                        conn->ping_started = 0; -                } +                unref = rpc_clnt_remove_ping_timer_locked (rpc);                  trans = conn->trans;          }          pthread_mutex_unlock (&conn->lock); @@ -1788,6 +1782,8 @@ rpc_clnt_disconnect (struct rpc_clnt *rpc)          if (trans) {                  rpc_transport_disconnect (trans);          } +        if (unref) +                rpc_clnt_unref (rpc);  out:          return;  | 
