From: Johan Hovold <johan@hovoldconsulting.com>
Date: Thu, 3 Dec 2015 16:29:00 +0000 (+0100)
Subject: greybus: svc: flush workqueue at connection exit
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=1cacb456fd6b5fd99f0274bef2b2d04b5f259392;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

greybus: svc: flush workqueue at connection exit

Make sure to flush the workqueue from hotplug and hotunplug events when
the svc connection is tore down.

Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
---

diff --git a/drivers/staging/greybus/svc.c b/drivers/staging/greybus/svc.c
index af41e8e49c31..f65aba6446e2 100644
--- a/drivers/staging/greybus/svc.c
+++ b/drivers/staging/greybus/svc.c
@@ -709,6 +709,8 @@ static void gb_svc_connection_exit(struct gb_connection *connection)
 	if (device_is_registered(&svc->dev))
 		device_del(&svc->dev);
 
+	flush_workqueue(svc->wq);
+
 	connection->hd->svc = NULL;
 	connection->private = NULL;