forked from luck/tmp_suning_uos_patched
V4L/DVB (11954): dsbr100: remove radio->users counter
Patch removes radio->users counter because it is not in use. 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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@ -145,7 +145,6 @@ struct dsbr100_device {
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struct mutex lock; /* buffer locking */
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int curfreq;
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int stereo;
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int users;
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int removed;
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int muted;
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};
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@ -549,14 +548,12 @@ static int usb_dsbr100_open(struct file *file)
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int retval;
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lock_kernel();
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radio->users = 1;
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radio->muted = 1;
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retval = dsbr100_start(radio);
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if (retval < 0) {
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dev_warn(&radio->usbdev->dev,
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"Radio did not start up properly\n");
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radio->users = 0;
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unlock_kernel();
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return -EIO;
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}
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@ -578,10 +575,6 @@ 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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@ -695,7 +688,6 @@ static int usb_dsbr100_probe(struct usb_interface *intf,
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mutex_init(&radio->lock);
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radio->removed = 0;
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radio->users = 0;
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radio->usbdev = interface_to_usbdev(intf);
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radio->curfreq = FREQ_MIN * FREQ_MUL;
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