linux-kernel - [PATCH] Input: synaptics-rmi4 - add missed operations in remove

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Message-Id: <20191113063656.8713-1-hslester96@gmail.com>
Date:   Wed, 13 Nov 2019 14:36:56 +0800
From:   Chuhong Yuan <hslester96@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
        Chuhong Yuan <hslester96@...il.com>
Subject: [PATCH] Input: synaptics-rmi4 - add missed operations in remove

The driver forgets to deal with work and workqueue in remove like what
is done when probe fails.
Add the missed operations to fix it.

Signed-off-by: Chuhong Yuan <hslester96@...il.com>
---
 drivers/input/rmi4/rmi_f54.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/input/rmi4/rmi_f54.c b/drivers/input/rmi4/rmi_f54.c
index 710b02595486..2c0cde5c775c 100644
--- a/drivers/input/rmi4/rmi_f54.c
+++ b/drivers/input/rmi4/rmi_f54.c
@@ -730,6 +730,9 @@ static void rmi_f54_remove(struct rmi_function *fn)
 
 	video_unregister_device(&f54->vdev);
 	v4l2_device_unregister(&f54->v4l2);
+	cancel_delayed_work_sync(&f54->work);
+	flush_workqueue(f54->workqueue);
+	destroy_workqueue(f54->workqueue);
 }
 
 struct rmi_function_handler rmi_f54_handler = {
-- 
2.23.0