From: Sagi Grimberg <sagig@mellanox.com>
Date: Mon, 19 May 2014 14:44:25 +0000 (+0300)
Subject: Target/iser: Wait for proper cleanup before unloading
X-Git-Tag: v3.16-rc1~17^2~30
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=f5ebec9629cf78eeeea4b8258882a9f439ab2404;p=users%2Fwilly%2Flinux.git

Target/iser: Wait for proper cleanup before unloading

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@mellanox.com>
Cc: stable@vger.kernel.org # 3.10+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---

diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index ef47ff66f8df..c68795194e25 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -3287,6 +3287,7 @@ destroy_rx_wq:
 
 static void __exit isert_exit(void)
 {
+	flush_scheduled_work();
 	destroy_workqueue(isert_comp_wq);
 	destroy_workqueue(isert_rx_wq);
 	iscsit_unregister_transport(&iser_target_transport);