[3.19.y-ckt stable] Patch "iser-target: Separate flows for np listeners and connections cma events" has been added to the 3.19.y-ckt tree

[Kamal Mostafa]

This is a note to let you know that I have just added a patch titled

    iser-target: Separate flows for np listeners and connections cma events

to the linux-3.19.y-queue branch of the 3.19.y-ckt extended stable tree 
which can be found at:

    http://kernel.ubuntu.com/git/ubuntu/linux.git/log/?h=linux-3.19.y-queue

This patch is scheduled to be released in version 3.19.8-ckt18.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.19.y-ckt tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Kamal

---8<------------------------------------------------------------

>From 6aeabea76fe1a16ed547356ba50ea22b97286099 Mon Sep 17 00:00:00 2001
From: Jenny Derzhavetz <jennyf at mellanox.com>
Date: Wed, 24 Feb 2016 19:24:00 +0200
Subject: iser-target: Separate flows for np listeners and connections cma
 events

commit f81bf458208ef6d12b2fc08091204e3859dcdba4 upstream.

No need to restrict this check to specific events.

Signed-off-by: Jenny Derzhavetz <jennyf at mellanox.com>
Signed-off-by: Sagi Grimberg <sagig at mellanox.com>
Signed-off-by: Nicholas Bellinger <nab at linux-iscsi.org>
[ kamal: backport to 4.2-stable: s/cm_id/np_cm_id/ ]
Signed-off-by: Kamal Mostafa <kamal at canonical.com>
---
 drivers/infiniband/ulp/isert/ib_isert.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index 474dcd6..7ae6d0e 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -866,14 +866,9 @@ isert_disconnected_handler(struct rdma_cm_id *cma_id,
 			   enum rdma_cm_event_type event)
 {
 	struct isert_np *isert_np = cma_id->context;
-	struct isert_conn *isert_conn;
+	struct isert_conn *isert_conn = cma_id->qp->qp_context;
 	bool terminating = false;

-	if (isert_np->np_cm_id == cma_id)
-		return isert_np_cma_handler(cma_id->context, event);
-
-	isert_conn = cma_id->qp->qp_context;
-
 	mutex_lock(&isert_conn->conn_mutex);
 	terminating = (isert_conn->state == ISER_CONN_TERMINATING);
 	isert_conn_terminate(isert_conn);
@@ -911,11 +906,15 @@ isert_connect_error(struct rdma_cm_id *cma_id)
 static int
 isert_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *event)
 {
+	struct isert_np *isert_np = cma_id->context;
 	int ret = 0;

 	isert_info("event %d status %d id %p np %p\n", event->event,
 		   event->status, cma_id, cma_id->context);

+	if (isert_np->np_cm_id == cma_id)
+		return isert_np_cma_handler(cma_id->context, event->event);
+
 	switch (event->event) {
 	case RDMA_CM_EVENT_CONNECT_REQUEST:
 		ret = isert_connect_request(cma_id, event);
--
2.7.4