Mutexes shall be initialized before they are used.
Fixes: 12e510dbc57b2 ("Input: usbtouchscreen - fix deadlock in autosuspend")
Reported-by: syzbot+199ea16c7f26418b4365@xxxxxxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Oliver Neukum <oneukum@xxxxxxxx>
---
drivers/input/touchscreen/usbtouchscreen.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c
index a2cec6cacf57..caacf211f51b 100644
--- a/drivers/input/touchscreen/usbtouchscreen.c
+++ b/drivers/input/touchscreen/usbtouchscreen.c
@@ -1658,6 +1658,7 @@ static int usbtouch_probe(struct usb_interface *intf,
input_dev = input_allocate_device();
if (!usbtouch || !input_dev)
goto out_free;
+ mutex_init(&usbtouch->pm_mutex);
type = &usbtouch_dev_info[id->driver_info];
usbtouch->type = type;
--
2.16.4
