Messages in this thread Patch in this message | | | From | ChunyouTang <> | Subject | [PATCH] drivers/input/mouse:modify mutex_lock before mutex_unlock | Date | Thu, 18 Mar 2021 11:44:48 +0800 |
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From: tangchunyou <tangchunyou@yulong.com>
mutex_lock should before mutex_unlock
Signed-off-by: tangchunyou <tangchunyou@yulong.com> --- drivers/input/mouse/psmouse-base.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c index 0b4a303..d01798c 100644 --- a/drivers/input/mouse/psmouse-base.c +++ b/drivers/input/mouse/psmouse-base.c @@ -1923,9 +1923,9 @@ static ssize_t psmouse_attr_set_protocol(struct psmouse *psmouse, void *data, co return -EIO; } - mutex_unlock(&psmouse_mutex); - serio_unregister_child_port(serio); mutex_lock(&psmouse_mutex); + serio_unregister_child_port(serio); + mutex_unlock(&psmouse_mutex); if (serio->drv != &psmouse_drv) { input_free_device(new_dev); -- 1.9.1
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