131 	if (mutex_lock_interruptible(&dmxdev->mutex))  in dvb_dvr_open()
135 		mutex_unlock(&dmxdev->mutex);  in dvb_dvr_open()
141 			mutex_unlock(&dmxdev->mutex);  in dvb_dvr_open()
149 			mutex_unlock(&dmxdev->mutex);  in dvb_dvr_open()
154 			mutex_unlock(&dmxdev->mutex);  in dvb_dvr_open()
165 			mutex_unlock(&dmxdev->mutex);  in dvb_dvr_open()
172 			mutex_unlock(&dmxdev->mutex);  in dvb_dvr_open()
179 	mutex_unlock(&dmxdev->mutex);  in dvb_dvr_open()
188 	mutex_lock(&dmxdev->mutex);  in dvb_dvr_release()
209 		mutex_unlock(&dmxdev->mutex);  in dvb_dvr_release()
212 		mutex_unlock(&dmxdev->mutex);  in dvb_dvr_release()
228 	if (mutex_lock_interruptible(&dmxdev->mutex))  in dvb_dvr_write()
232 		mutex_unlock(&dmxdev->mutex);  in dvb_dvr_write()
236 	mutex_unlock(&dmxdev->mutex);  in dvb_dvr_write()
734 	if (mutex_lock_interruptible(&dmxdev->mutex))  in dvb_demux_open()
742 		mutex_unlock(&dmxdev->mutex);  in dvb_demux_open()
747 	mutex_init(&dmxdevfilter->mutex);  in dvb_demux_open()
757 	mutex_unlock(&dmxdev->mutex);  in dvb_demux_open()
764 	mutex_lock(&dmxdev->mutex);  in dvb_dmxdev_filter_free()
765 	mutex_lock(&dmxdevfilter->mutex);  in dvb_dmxdev_filter_free()
781 	mutex_unlock(&dmxdevfilter->mutex);  in dvb_dmxdev_filter_free()
782 	mutex_unlock(&dmxdev->mutex);  in dvb_dmxdev_filter_free()
942 	if (mutex_lock_interruptible(&dmxdevfilter->mutex))  in dvb_demux_read()
952 	mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_read()
964 	if (mutex_lock_interruptible(&dmxdev->mutex))  in dvb_demux_do_ioctl()
969 		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {  in dvb_demux_do_ioctl()
970 			mutex_unlock(&dmxdev->mutex);  in dvb_demux_do_ioctl()
977 		mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_do_ioctl()
981 		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {  in dvb_demux_do_ioctl()
982 			mutex_unlock(&dmxdev->mutex);  in dvb_demux_do_ioctl()
986 		mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_do_ioctl()
990 		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {  in dvb_demux_do_ioctl()
991 			mutex_unlock(&dmxdev->mutex);  in dvb_demux_do_ioctl()
995 		mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_do_ioctl()
999 		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {  in dvb_demux_do_ioctl()
1000 			mutex_unlock(&dmxdev->mutex);  in dvb_demux_do_ioctl()
1004 		mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_do_ioctl()
1008 		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {  in dvb_demux_do_ioctl()
1009 			mutex_unlock(&dmxdev->mutex);  in dvb_demux_do_ioctl()
1013 		mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_do_ioctl()
1056 		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {  in dvb_demux_do_ioctl()
1061 		mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_do_ioctl()
1065 		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {  in dvb_demux_do_ioctl()
1070 		mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_do_ioctl()
1077 	mutex_unlock(&dmxdev->mutex);  in dvb_demux_do_ioctl()
1120 	mutex_lock(&dmxdev->mutex);  in dvb_demux_release()
1123 		mutex_unlock(&dmxdev->mutex);  in dvb_demux_release()
1126 		mutex_unlock(&dmxdev->mutex);  in dvb_demux_release()
1159 	if (mutex_lock_interruptible(&dmxdev->mutex))  in dvb_dvr_do_ioctl()
1171 	mutex_unlock(&dmxdev->mutex);  in dvb_dvr_do_ioctl()
1237 	mutex_init(&dmxdev->mutex);  in dvb_dmxdev_init()