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Commit fdf9c997 authored by Alexey Klimov's avatar Alexey Klimov Committed by Mauro Carvalho Chehab
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V4L/DVB (10465): dsbr100: Add few lost mutex locks. 



Patch adds two lost mutex locks.

Signed-off-by: default avatarAlexey Klimov <klimov.linux@gmail.com>
Signed-off-by: default avatarDouglas Schilling Landgraf <dougsland@redhat.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent dc025d4a

drivers/media/radio/dsbr100.c

+6 −0
Original line number Original line Diff line number Diff line
@@ -452,7 +452,10 @@ static int vidioc_s_frequency(struct file *file, void *priv, 
	if (radio->removed)

	if (radio->removed)

		return -EIO;

		return -EIO;





	mutex_lock(&radio->lock);

	radio->curfreq = f->frequency;

	radio->curfreq = f->frequency;

	mutex_unlock(&radio->lock);



	retval = dsbr100_setfreq(radio, radio->curfreq);

	retval = dsbr100_setfreq(radio, radio->curfreq);

	if (retval < 0)

	if (retval < 0)

		dev_warn(&radio->usbdev->dev, "Set frequency failed\n");

		dev_warn(&radio->usbdev->dev, "Set frequency failed\n");
@@ -603,7 +606,10 @@ static int usb_dsbr100_close(struct file *file) 
	if (!radio)

	if (!radio)

		return -ENODEV;

		return -ENODEV;





	mutex_lock(&radio->lock);

	radio->users = 0;

	radio->users = 0;

	mutex_unlock(&radio->lock);



	if (!radio->removed) {

	if (!radio->removed) {

		retval = dsbr100_stop(radio);

		retval = dsbr100_stop(radio);

		if (retval < 0) {

		if (retval < 0) {