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()
736 	if (mutex_lock_interruptible(&dmxdev->mutex))  in dvb_demux_open()
744 		mutex_unlock(&dmxdev->mutex);  in dvb_demux_open()
749 	mutex_init(&dmxdevfilter->mutex);  in dvb_demux_open()
759 	mutex_unlock(&dmxdev->mutex);  in dvb_demux_open()
766 	mutex_lock(&dmxdev->mutex);  in dvb_dmxdev_filter_free()
767 	mutex_lock(&dmxdevfilter->mutex);  in dvb_dmxdev_filter_free()
783 	mutex_unlock(&dmxdevfilter->mutex);  in dvb_dmxdev_filter_free()
784 	mutex_unlock(&dmxdev->mutex);  in dvb_dmxdev_filter_free()
944 	if (mutex_lock_interruptible(&dmxdevfilter->mutex))  in dvb_demux_read()
954 	mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_read()
966 	if (mutex_lock_interruptible(&dmxdev->mutex))  in dvb_demux_do_ioctl()
971 		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {  in dvb_demux_do_ioctl()
972 			mutex_unlock(&dmxdev->mutex);  in dvb_demux_do_ioctl()
979 		mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_do_ioctl()
983 		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {  in dvb_demux_do_ioctl()
984 			mutex_unlock(&dmxdev->mutex);  in dvb_demux_do_ioctl()
988 		mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_do_ioctl()
992 		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {  in dvb_demux_do_ioctl()
993 			mutex_unlock(&dmxdev->mutex);  in dvb_demux_do_ioctl()
997 		mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_do_ioctl()
1001 		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {  in dvb_demux_do_ioctl()
1002 			mutex_unlock(&dmxdev->mutex);  in dvb_demux_do_ioctl()
1006 		mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_do_ioctl()
1010 		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {  in dvb_demux_do_ioctl()
1011 			mutex_unlock(&dmxdev->mutex);  in dvb_demux_do_ioctl()
1015 		mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_do_ioctl()
1054 		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {  in dvb_demux_do_ioctl()
1059 		mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_do_ioctl()
1063 		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {  in dvb_demux_do_ioctl()
1068 		mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_do_ioctl()
1075 	mutex_unlock(&dmxdev->mutex);  in dvb_demux_do_ioctl()
1118 	mutex_lock(&dmxdev->mutex);  in dvb_demux_release()
1121 		mutex_unlock(&dmxdev->mutex);  in dvb_demux_release()
1124 		mutex_unlock(&dmxdev->mutex);  in dvb_demux_release()
1157 	if (mutex_lock_interruptible(&dmxdev->mutex))  in dvb_dvr_do_ioctl()
1169 	mutex_unlock(&dmxdev->mutex);  in dvb_dvr_do_ioctl()
1235 	mutex_init(&dmxdev->mutex);  in dvb_dmxdev_init()