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[media] rainshadow-cec: Fix missing spin_lock_init()

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@huawei.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Wei Yongjun 8 years ago
parent
4b0755e90a
commit
e0f2e5eb14
1 changed files with 1 additions and 0 deletions
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  1. 1 0
      drivers/media/usb/rainshadow-cec/rainshadow-cec.c

+ 1 - 0
drivers/media/usb/rainshadow-cec/rainshadow-cec.c
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@@ -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)