135 	if (mutex_lock_interruptible(&dmxdev->mutex))  in dvb_dvr_open()
139 		mutex_unlock(&dmxdev->mutex);  in dvb_dvr_open()
163 			mutex_unlock(&dmxdev->mutex);  in dvb_dvr_open()
173 			mutex_unlock(&dmxdev->mutex);  in dvb_dvr_open()
178 			mutex_unlock(&dmxdev->mutex);  in dvb_dvr_open()
192 			mutex_unlock(&dmxdev->mutex);  in dvb_dvr_open()
199 			mutex_unlock(&dmxdev->mutex);  in dvb_dvr_open()
206 	mutex_unlock(&dmxdev->mutex);  in dvb_dvr_open()
215 	mutex_lock(&dmxdev->mutex);  in dvb_dvr_release()
244 		mutex_unlock(&dmxdev->mutex);  in dvb_dvr_release()
247 		mutex_unlock(&dmxdev->mutex);  in dvb_dvr_release()
263 	if (mutex_lock_interruptible(&dmxdev->mutex))  in dvb_dvr_write()
267 		mutex_unlock(&dmxdev->mutex);  in dvb_dvr_write()
271 	mutex_unlock(&dmxdev->mutex);  in dvb_dvr_write()
800 	if (mutex_lock_interruptible(&dmxdev->mutex))  in dvb_demux_open()
808 		mutex_unlock(&dmxdev->mutex);  in dvb_demux_open()
813 	mutex_init(&dmxdevfilter->mutex);  in dvb_demux_open()
831 	mutex_unlock(&dmxdev->mutex);  in dvb_demux_open()
838 	mutex_lock(&dmxdev->mutex);  in dvb_dmxdev_filter_free()
839 	mutex_lock(&dmxdevfilter->mutex);  in dvb_dmxdev_filter_free()
859 	mutex_unlock(&dmxdevfilter->mutex);  in dvb_dmxdev_filter_free()
860 	mutex_unlock(&dmxdev->mutex);  in dvb_dmxdev_filter_free()
1020 	if (mutex_lock_interruptible(&dmxdevfilter->mutex))  in dvb_demux_read()
1030 	mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_read()
1042 	if (mutex_lock_interruptible(&dmxdev->mutex))  in dvb_demux_do_ioctl()
1047 		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {  in dvb_demux_do_ioctl()
1048 			mutex_unlock(&dmxdev->mutex);  in dvb_demux_do_ioctl()
1055 		mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_do_ioctl()
1059 		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {  in dvb_demux_do_ioctl()
1060 			mutex_unlock(&dmxdev->mutex);  in dvb_demux_do_ioctl()
1064 		mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_do_ioctl()
1068 		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {  in dvb_demux_do_ioctl()
1069 			mutex_unlock(&dmxdev->mutex);  in dvb_demux_do_ioctl()
1073 		mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_do_ioctl()
1077 		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {  in dvb_demux_do_ioctl()
1078 			mutex_unlock(&dmxdev->mutex);  in dvb_demux_do_ioctl()
1082 		mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_do_ioctl()
1086 		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {  in dvb_demux_do_ioctl()
1087 			mutex_unlock(&dmxdev->mutex);  in dvb_demux_do_ioctl()
1091 		mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_do_ioctl()
1114 		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {  in dvb_demux_do_ioctl()
1119 		mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_do_ioctl()
1123 		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {  in dvb_demux_do_ioctl()
1128 		mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_do_ioctl()
1133 		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {  in dvb_demux_do_ioctl()
1134 			mutex_unlock(&dmxdev->mutex);  in dvb_demux_do_ioctl()
1138 		mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_do_ioctl()
1142 		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {  in dvb_demux_do_ioctl()
1143 			mutex_unlock(&dmxdev->mutex);  in dvb_demux_do_ioctl()
1147 		mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_do_ioctl()
1151 		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {  in dvb_demux_do_ioctl()
1152 			mutex_unlock(&dmxdev->mutex);  in dvb_demux_do_ioctl()
1156 		mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_do_ioctl()
1160 		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {  in dvb_demux_do_ioctl()
1161 			mutex_unlock(&dmxdev->mutex);  in dvb_demux_do_ioctl()
1167 		mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_do_ioctl()
1171 		if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {  in dvb_demux_do_ioctl()
1172 			mutex_unlock(&dmxdev->mutex);  in dvb_demux_do_ioctl()
1176 		mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_do_ioctl()
1183 	mutex_unlock(&dmxdev->mutex);  in dvb_demux_do_ioctl()
1229 	if (mutex_lock_interruptible(&dmxdev->mutex))  in dvb_demux_mmap()
1232 	if (mutex_lock_interruptible(&dmxdevfilter->mutex)) {  in dvb_demux_mmap()
1233 		mutex_unlock(&dmxdev->mutex);  in dvb_demux_mmap()
1238 	mutex_unlock(&dmxdevfilter->mutex);  in dvb_demux_mmap()
1239 	mutex_unlock(&dmxdev->mutex);  in dvb_demux_mmap()
1253 	mutex_lock(&dmxdev->mutex);  in dvb_demux_release()
1256 		mutex_unlock(&dmxdev->mutex);  in dvb_demux_release()
1259 		mutex_unlock(&dmxdev->mutex);  in dvb_demux_release()
1296 	if (mutex_lock_interruptible(&dmxdev->mutex))  in dvb_dvr_do_ioctl()
1331 	mutex_unlock(&dmxdev->mutex);  in dvb_dvr_do_ioctl()
1382 	if (mutex_lock_interruptible(&dmxdev->mutex))  in dvb_dvr_mmap()
1386 	mutex_unlock(&dmxdev->mutex);  in dvb_dvr_mmap()
1426 	mutex_init(&dmxdev->mutex);  in dvb_dmxdev_init()