[3.11.y.z extended stable] Patch "Target/iser: Wait for proper cleanup before unloading" has been added to staging queue

[Luis Henriques]

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

    Target/iser: Wait for proper cleanup before unloading

to the linux-3.11.y-queue branch of the 3.11.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.11.y-queue

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

For more information about the 3.11.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Luis

------

>From 2849ab4dcce52ce0b2a25818bc47adf81cfc328e Mon Sep 17 00:00:00 2001
From: Sagi Grimberg <sagig at mellanox.com>
Date: Mon, 19 May 2014 17:44:25 +0300
Subject: Target/iser: Wait for proper cleanup before unloading

commit f5ebec9629cf78eeeea4b8258882a9f439ab2404 upstream.

disconnected_handler works are scheduled on system_wq.
When attempting to unload, first make sure all works
have cleaned up.

Signed-off-by: Sagi Grimberg <sagig at mellanox.com>
Signed-off-by: Nicholas Bellinger <nab at linux-iscsi.org>
[ luis: backported to 3.11: adjusted context ]
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
 drivers/infiniband/ulp/isert/ib_isert.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index cfb8824d6a9e..f1208f9ba702 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -2452,6 +2452,7 @@ destroy_rx_wq:

 static void __exit isert_exit(void)
 {
+	flush_scheduled_work();
 	kmem_cache_destroy(isert_cmd_cache);
 	destroy_workqueue(isert_comp_wq);
 	destroy_workqueue(isert_rx_wq);
--
1.9.1