70 static int isdn_add_channels(isdn_driver_t *d, int drvidx, int n, int adding);
1069 	int drvidx;  in isdn_read()  local
1103 		drvidx = isdn_minor2drv(minor);  in isdn_read()
1104 		if (drvidx < 0) {  in isdn_read()
1108 		if (!(dev->drv[drvidx]->flags & DRV_FLAG_RUNNING)) {  in isdn_read()
1117 		len = isdn_readbchan(drvidx, chidx, p, NULL, count,  in isdn_read()
1118 				     &dev->drv[drvidx]->rcv_waitq[chidx]);  in isdn_read()
1127 		drvidx = isdn_minor2drv(minor - ISDN_MINOR_CTRL);  in isdn_read()
1128 		if (drvidx < 0) {  in isdn_read()
1132 		if (!dev->drv[drvidx]->stavail) {  in isdn_read()
1137 			interruptible_sleep_on(&(dev->drv[drvidx]->st_waitq));  in isdn_read()
1139 		if (dev->drv[drvidx]->interface->readstat) {  in isdn_read()
1140 			if (count > dev->drv[drvidx]->stavail)  in isdn_read()
1141 				count = dev->drv[drvidx]->stavail;  in isdn_read()
1142 			len = dev->drv[drvidx]->interface->readstat(buf, count,  in isdn_read()
1143 				drvidx, isdn_minor2chan(minor - ISDN_MINOR_CTRL));  in isdn_read()
1152 			dev->drv[drvidx]->stavail -= len;  in isdn_read()
1154 			dev->drv[drvidx]->stavail = 0;  in isdn_read()
1175 	int drvidx;  in isdn_write()  local
1187 		drvidx = isdn_minor2drv(minor);  in isdn_write()
1188 		if (drvidx < 0) {  in isdn_write()
1192 		if (!(dev->drv[drvidx]->flags & DRV_FLAG_RUNNING)) {  in isdn_write()
1197 		while ((retval = isdn_writebuf_stub(drvidx, chidx, buf, count)) == 0)  in isdn_write()
1198 			interruptible_sleep_on(&dev->drv[drvidx]->snd_waitq[chidx]);  in isdn_write()
1202 		drvidx = isdn_minor2drv(minor - ISDN_MINOR_CTRL);  in isdn_write()
1203 		if (drvidx < 0) {  in isdn_write()
1213 		if (dev->drv[drvidx]->interface->writecmd)  in isdn_write()
1214 			retval = dev->drv[drvidx]->interface->  in isdn_write()
1215 				writecmd(buf, count, drvidx,  in isdn_write()
1238 	int drvidx = isdn_minor2drv(minor - ISDN_MINOR_CTRL);  in isdn_poll()  local
1250 		if (drvidx < 0) {  in isdn_poll()
1255 		poll_wait(file, &(dev->drv[drvidx]->st_waitq), wait);  in isdn_poll()
1257 		if (dev->drv[drvidx]->stavail) {  in isdn_poll()
1280 	int drvidx;  in isdn_ioctl()  local
1340 		drvidx = isdn_minor2drv(minor);  in isdn_ioctl()
1341 		if (drvidx < 0)  in isdn_ioctl()
1344 		if (!(dev->drv[drvidx]->flags & DRV_FLAG_RUNNING))  in isdn_ioctl()
1516 				drvidx = -1;  in isdn_ioctl()
1527 						drvidx = -1;  in isdn_ioctl()
1530 								drvidx = i;  in isdn_ioctl()
1535 				if (drvidx == -1)  in isdn_ioctl()
1538 					dev->drv[drvidx]->flags |= DRV_FLAG_REJBUS;  in isdn_ioctl()
1540 					dev->drv[drvidx]->flags &= ~DRV_FLAG_REJBUS;  in isdn_ioctl()
1610 						drvidx = -1;  in isdn_ioctl()
1613 								drvidx = i;  in isdn_ioctl()
1617 						drvidx = 0;  in isdn_ioctl()
1618 					if (drvidx == -1)  in isdn_ioctl()
1638 										strcpy(dev->drv[drvidx]->msn2eaz[i], bname);  in isdn_ioctl()
1654 								strlen(dev->drv[drvidx]->msn2eaz[i]) ?  in isdn_ioctl()
1655 								dev->drv[drvidx]->msn2eaz[i] : "_",  in isdn_ioctl()
1687 						drvidx = -1;  in isdn_ioctl()
1690 								drvidx = i;  in isdn_ioctl()
1694 						drvidx = 0;  in isdn_ioctl()
1695 					if (drvidx == -1)  in isdn_ioctl()
1700 					c.driver = drvidx;  in isdn_ioctl()
1745 	int drvidx;  in isdn_open()  local
1770 		drvidx = isdn_minor2drv(minor);  in isdn_open()
1771 		if (drvidx < 0)  in isdn_open()
1774 		if (!(dev->drv[drvidx]->flags & DRV_FLAG_RUNNING))  in isdn_open()
1776 		if (!(dev->drv[drvidx]->online & (1 << chidx)))  in isdn_open()
1783 		drvidx = isdn_minor2drv(minor - ISDN_MINOR_CTRL);  in isdn_open()
1784 		if (drvidx < 0)  in isdn_open()
1986 isdn_writebuf_stub(int drvidx, int chan, const u_char __user * buf, int len)  in isdn_writebuf_stub()  argument
1989 	int hl = dev->drv[drvidx]->interface->hl_hdrlen;  in isdn_writebuf_stub()
1999 	ret = dev->drv[drvidx]->interface->writebuf_skb(drvidx, chan, 1, skb);  in isdn_writebuf_stub()
2003 		dev->obytes[isdn_dc2minor(drvidx, chan)] += ret;  in isdn_writebuf_stub()
2011 isdn_writebuf_skb_stub(int drvidx, int chan, int ack, struct sk_buff *skb)  in isdn_writebuf_skb_stub()  argument
2016 	int idx = isdn_dc2minor(drvidx, chan);  in isdn_writebuf_skb_stub()
2032 		ret = dev->drv[drvidx]->interface->writebuf_skb(drvidx, chan, ack, nskb);  in isdn_writebuf_skb_stub()
2034 		int hl = dev->drv[drvidx]->interface->hl_hdrlen;  in isdn_writebuf_skb_stub()
2050 			ret = dev->drv[drvidx]->interface->writebuf_skb(drvidx, chan, ack, skb_tmp);  in isdn_writebuf_skb_stub()
2057 			ret = dev->drv[drvidx]->interface->writebuf_skb(drvidx, chan, ack, skb);  in isdn_writebuf_skb_stub()
2080 isdn_add_channels(isdn_driver_t *d, int drvidx, int n, int adding)  in isdn_add_channels()  argument
2153 				dev->drvmap[k] = drvidx;  in isdn_add_channels()
2167 	int drvidx;  in set_global_features()  local
2170 	for (drvidx = 0; drvidx < ISDN_MAX_DRIVERS; drvidx++) {  in set_global_features()
2171 		if (!dev->drv[drvidx])  in set_global_features()
2173 		if (dev->drv[drvidx]->interface)  in set_global_features()
2174 			dev->global_features |= dev->drv[drvidx]->interface->features;  in set_global_features()
2240 	int drvidx;  in register_isdn()  local
2264 	for (drvidx = 0; drvidx < ISDN_MAX_DRIVERS; drvidx++)  in register_isdn()
2265 		if (!dev->drv[drvidx])  in register_isdn()
2267 	if (isdn_add_channels(d, drvidx, i->channels, 0)) {  in register_isdn()
2272 	i->channels = drvidx;  in register_isdn()
2276 		sprintf(i->id, "line%d", drvidx);  in register_isdn()
2277 	for (j = 0; j < drvidx; j++)  in register_isdn()
2279 			sprintf(i->id, "line%d", drvidx);  in register_isdn()
2280 	dev->drv[drvidx] = d;  in register_isdn()
2281 	strcpy(dev->drvid[drvidx], i->id);  in register_isdn()