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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: 0f314f6c2e ("[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>
This commit is contained in:
Wei Yongjun 2017-04-25 00:12:46 -03:00 committed by Mauro Carvalho Chehab
parent e3b4d10cc0
commit be321a82bf
1 changed files with 1 additions and 0 deletions
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1
drivers/media/usb/rainshadow-cec/rainshadow-cec.c
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@ -337,6 +337,7 @@ 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)