Lines Matching refs:mutex

59 	if (mutex_lock_interruptible(&fmdev->mutex))  in fm_v4l2_fops_read()
80 	mutex_unlock(&fmdev->mutex);  in fm_v4l2_fops_read()
100 	if (mutex_lock_interruptible(&fmdev->mutex))  in fm_v4l2_fops_write()
104 	mutex_unlock(&fmdev->mutex);  in fm_v4l2_fops_write()
115 	mutex_lock(&fmdev->mutex);  in fm_v4l2_fops_poll()
117 	mutex_unlock(&fmdev->mutex);  in fm_v4l2_fops_poll()
141 	if (mutex_lock_interruptible(&fmdev->mutex))  in fm_v4l2_fops_open()
159 	mutex_unlock(&fmdev->mutex);  in fm_v4l2_fops_open()
174 	mutex_lock(&fmdev->mutex);  in fm_v4l2_fops_release()
189 	mutex_unlock(&fmdev->mutex);  in fm_v4l2_fops_release()
544 	mutex_init(&fmdev->mutex);  in fm_v4l2_init_video_device()
551 	gradio_dev.lock = &fmdev->mutex;  in fm_v4l2_init_video_device()