125 	if (mutex_lock_interruptible(&dmxdev->mutex))  in dvb_dvr_open()
129 		mutex_unlock(&dmxdev->mutex);  in dvb_dvr_open()
153 			mutex_unlock(&dmxdev->mutex);  in dvb_dvr_open()
163 			mutex_unlock(&dmxdev->mutex);  in dvb_dvr_open()
168 			mutex_unlock(&dmxdev->mutex);  in dvb_dvr_open()
182 			mutex_unlock(&dmxdev->mutex);  in dvb_dvr_open()
189 			mutex_unlock(&dmxdev->mutex);  in dvb_dvr_open()
196 	mutex_unlock(&dmxdev->mutex);  in dvb_dvr_open()
205 	mutex_lock(&dmxdev->mutex);  in dvb_dvr_release()
234 		mutex_unlock(&dmxdev->mutex);  in dvb_dvr_release()
237 		mutex_unlock(&dmxdev->mutex);  in dvb_dvr_release()
253 	if (mutex_lock_interruptible(&dmxdev->mutex))  in dvb_dvr_write()
257 		mutex_unlock(&dmxdev->mutex);  in dvb_dvr_write()
261 	mutex_unlock(&dmxdev->mutex);  in dvb_dvr_write()
790 	if (mutex_lock_interruptible(&dmxdev->mutex))  in dvb_demux_open()
794 		mutex_unlock(&dmxdev->mutex);  in dvb_demux_open()
803 		mutex_unlock(&dmxdev->mutex);  in dvb_demux_open()
808 	mutex_init(&dmxdevfilter->mutex);  in dvb_demux_open()
826 	mutex_unlock(&dmxdev->mutex);  in dvb_demux_open()
833 	mutex_lock(&dmxdev->mutex);  in dvb_dmxdev_filter_free()
834 	mutex_lock(&dmxdevfilter->mutex);  in dvb_dmxdev_filter_free()
854 	mutex_unlock(&dmxdevfilter->mutex);  in dvb_dmxdev_filter_free()
855 	mutex_unlock(&dmxdev->mutex);  in dvb_dmxdev_filter_free()
1015 	if (mutex_lock_interruptible(&dmxdevfilter->mutex))  in dvb_demux_read()
1025 	mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_read()
1037 	if (mutex_lock_interruptible(&dmxdev->mutex))  in dvb_demux_do_ioctl()
1042 		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {  in dvb_demux_do_ioctl()
1043 			mutex_unlock(&dmxdev->mutex);  in dvb_demux_do_ioctl()
1050 		mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_do_ioctl()
1054 		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {  in dvb_demux_do_ioctl()
1055 			mutex_unlock(&dmxdev->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()
1064 			mutex_unlock(&dmxdev->mutex);  in dvb_demux_do_ioctl()
1068 		mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_do_ioctl()
1072 		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {  in dvb_demux_do_ioctl()
1073 			mutex_unlock(&dmxdev->mutex);  in dvb_demux_do_ioctl()
1077 		mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_do_ioctl()
1081 		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {  in dvb_demux_do_ioctl()
1082 			mutex_unlock(&dmxdev->mutex);  in dvb_demux_do_ioctl()
1086 		mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_do_ioctl()
1109 		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {  in dvb_demux_do_ioctl()
1114 		mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_do_ioctl()
1118 		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {  in dvb_demux_do_ioctl()
1123 		mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_do_ioctl()
1128 		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {  in dvb_demux_do_ioctl()
1129 			mutex_unlock(&dmxdev->mutex);  in dvb_demux_do_ioctl()
1133 		mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_do_ioctl()
1137 		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {  in dvb_demux_do_ioctl()
1138 			mutex_unlock(&dmxdev->mutex);  in dvb_demux_do_ioctl()
1142 		mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_do_ioctl()
1146 		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {  in dvb_demux_do_ioctl()
1147 			mutex_unlock(&dmxdev->mutex);  in dvb_demux_do_ioctl()
1151 		mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_do_ioctl()
1155 		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {  in dvb_demux_do_ioctl()
1156 			mutex_unlock(&dmxdev->mutex);  in dvb_demux_do_ioctl()
1162 		mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_do_ioctl()
1166 		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {  in dvb_demux_do_ioctl()
1167 			mutex_unlock(&dmxdev->mutex);  in dvb_demux_do_ioctl()
1171 		mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_do_ioctl()
1178 	mutex_unlock(&dmxdev->mutex);  in dvb_demux_do_ioctl()
1224 	if (mutex_lock_interruptible(&dmxdev->mutex))  in dvb_demux_mmap()
1227 	if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {  in dvb_demux_mmap()
1228 		mutex_unlock(&dmxdev->mutex);  in dvb_demux_mmap()
1233 	mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_mmap()
1234 	mutex_unlock(&dmxdev->mutex);  in dvb_demux_mmap()
1248 	mutex_lock(&dmxdev->mutex);  in dvb_demux_release()
1251 		mutex_unlock(&dmxdev->mutex);  in dvb_demux_release()
1254 		mutex_unlock(&dmxdev->mutex);  in dvb_demux_release()
1291 	if (mutex_lock_interruptible(&dmxdev->mutex))  in dvb_dvr_do_ioctl()
1326 	mutex_unlock(&dmxdev->mutex);  in dvb_dvr_do_ioctl()
1377 	if (mutex_lock_interruptible(&dmxdev->mutex))  in dvb_dvr_mmap()
1381 	mutex_unlock(&dmxdev->mutex);  in dvb_dvr_mmap()
1421 	mutex_init(&dmxdev->mutex);  in dvb_dmxdev_init()
1456 	mutex_lock(&dmxdev->mutex);  in dvb_dmxdev_release()
1458 	mutex_unlock(&dmxdev->mutex);  in dvb_dmxdev_release()