From: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
The driver allocates the spinlock but not initialize it.
Use spin_lock_init() on it to initialize it correctly.
This is detected by Coccinelle semantic patch.
Fixes: 0f314f6c2e77 ("[media] rainshadow-cec: new RainShadow Tech HDMI
CEC driver")
Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
---
drivers/media/usb/rainshadow-cec/rainshadow-cec.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/media/usb/rainshadow-cec/rainshadow-cec.c b/drivers/media/usb/rainshadow-cec/rainshadow-cec.c
index 541ca54..8f562ed 100644
--- a/drivers/media/usb/rainshadow-cec/rainshadow-cec.c
+++ b/drivers/media/usb/rainshadow-cec/rainshadow-cec.c
@@ -336,6 +336,7 @@ static int rain_connect(struct serio *serio, struct serio_driver *drv)
serio_set_drvdata(serio, rain);
INIT_WORK(&rain->work, rain_irq_work_handler);
mutex_init(&rain->write_lock);
+ spin_lock_init(&rain->buf_lock);
err = serio_open(serio, drv);
if (err)
