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V4L/DVB (10465): dsbr100: Add few lost mutex locks.
Patch adds two lost mutex locks. Signed-off-by: Alexey Klimov <klimov.linux@gmail.com> Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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@ -452,7 +452,10 @@ static int vidioc_s_frequency(struct file *file, void *priv,
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if (radio->removed)
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return -EIO;
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mutex_lock(&radio->lock);
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radio->curfreq = f->frequency;
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mutex_unlock(&radio->lock);
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retval = dsbr100_setfreq(radio, radio->curfreq);
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if (retval < 0)
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dev_warn(&radio->usbdev->dev, "Set frequency failed\n");
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@ -603,7 +606,10 @@ static int usb_dsbr100_close(struct file *file)
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if (!radio)
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return -ENODEV;
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mutex_lock(&radio->lock);
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radio->users = 0;
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mutex_unlock(&radio->lock);
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if (!radio->removed) {
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retval = dsbr100_stop(radio);
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if (retval < 0) {
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