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@mellanox.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index f86a468..0e93152 100644 (file)
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -2332,6 +2332,7 @@ 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);