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Subject[PATCH 3.13 002/212] SUNRPC: Ensure call_connect_status() deals correctly with SOFTCONN tasks
Date
3.13.11.4 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Steve Dickson <steved@redhat.com>

commit 1fa3e2eb9db07f30a605c66d1a2fdde4b24e74d5 upstream.

Don't schedule an rpc_delay before checking to see if the task
is a SOFTCONN because the tk_callback from the delay (__rpc_atrun)
clears the task status before the rpc_exit_task can be run.

Signed-off-by: Steve Dickson <steved@redhat.com>
Fixes: 561ec1603171c (SUNRPC: call_connect_status should recheck...)
Link: http://lkml.kernel.org/r/5329CF7C.7090308@RedHat.com
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
[ Stefan Bader: backport to 3.13-stable: context ]
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
net/sunrpc/clnt.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 70eddf3..ed2c481 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -1800,10 +1800,10 @@ call_connect_status(struct rpc_task *task)
case -ECONNREFUSED:
case -ECONNRESET:
case -ENETUNREACH:
- /* retry with existing socket, after a delay */
- rpc_delay(task, 3*HZ);
if (RPC_IS_SOFTCONN(task))
break;
+ /* retry with existing socket, after a delay */
+ rpc_delay(task, 3*HZ);
case -EAGAIN:
/* Check for timeouts before looping back to call_bind */
case -ETIMEDOUT:
--
1.9.1


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