From faca94ffaed31528e2e859ee3c26d7d4dba6702f Mon Sep 17 00:00:00 2001 From: Karsten Keil Date: Mon, 15 Oct 2007 02:11:44 -0700 Subject: [PATCH] [ISDN]: Remove local copy of device name to make sure renames work. Signed-off-by: Karsten Keil Signed-off-by: David S. Miller --- drivers/isdn/i4l/isdn_net.c | 144 ++++++++++++++++++++---------------- drivers/isdn/i4l/isdn_ppp.c | 9 ++- include/linux/isdn.h | 1 - 3 files changed, 85 insertions(+), 69 deletions(-) diff --git a/drivers/isdn/i4l/isdn_net.c b/drivers/isdn/i4l/isdn_net.c index 7c9cb7e19f2e..71ec2a8aab2a 100644 --- a/drivers/isdn/i4l/isdn_net.c +++ b/drivers/isdn/i4l/isdn_net.c @@ -328,7 +328,7 @@ isdn_net_autohup(void) l->cps = (l->transcount * HZ) / (jiffies - last_jiffies); l->transcount = 0; if (dev->net_verbose > 3) - printk(KERN_DEBUG "%s: %d bogocps\n", l->name, l->cps); + printk(KERN_DEBUG "%s: %d bogocps\n", p->dev->name, l->cps); if ((l->flags & ISDN_NET_CONNECTED) && (!l->dialstate)) { anymore = 1; l->huptimer++; @@ -350,12 +350,12 @@ isdn_net_autohup(void) if (l->hupflags & ISDN_CHARGEHUP) { if (l->hupflags & ISDN_WAITCHARGE) { printk(KERN_DEBUG "isdn_net: Hupflags of %s are %X\n", - l->name, l->hupflags); + p->dev->name, l->hupflags); isdn_net_hangup(p->dev); } else if (time_after(jiffies, l->chargetime + l->chargeint)) { printk(KERN_DEBUG "isdn_net: %s: chtime = %lu, chint = %d\n", - l->name, l->chargetime, l->chargeint); + p->dev->name, l->chargetime, l->chargeint); isdn_net_hangup(p->dev); } } else @@ -442,8 +442,8 @@ isdn_net_stat_callback(int idx, isdn_ctrl *c) #endif isdn_net_lp_disconnected(lp); isdn_all_eaz(lp->isdn_device, lp->isdn_channel); - printk(KERN_INFO "%s: remote hangup\n", lp->name); - printk(KERN_INFO "%s: Chargesum is %d\n", lp->name, + printk(KERN_INFO "%s: remote hangup\n", p->dev->name); + printk(KERN_INFO "%s: Chargesum is %d\n", p->dev->name, lp->charge); isdn_net_unbind_channel(lp); return 1; @@ -487,7 +487,7 @@ isdn_net_stat_callback(int idx, isdn_ctrl *c) isdn_net_add_to_bundle(nd, lp); } } - printk(KERN_INFO "isdn_net: %s connected\n", lp->name); + printk(KERN_INFO "isdn_net: %s connected\n", p->dev->name); /* If first Chargeinfo comes before B-Channel connect, * we correct the timestamp here. */ @@ -534,7 +534,7 @@ isdn_net_stat_callback(int idx, isdn_ctrl *c) lp->hupflags |= ISDN_HAVECHARGE; lp->chargetime = jiffies; printk(KERN_DEBUG "isdn_net: Got CINF chargetime of %s now %lu\n", - lp->name, lp->chargetime); + p->dev->name, lp->chargetime); return 1; } } @@ -565,7 +565,7 @@ isdn_net_dial(void) #ifdef ISDN_DEBUG_NET_DIAL if (lp->dialstate) - printk(KERN_DEBUG "%s: dialstate=%d\n", lp->name, lp->dialstate); + printk(KERN_DEBUG "%s: dialstate=%d\n", p->dev->name, lp->dialstate); #endif switch (lp->dialstate) { case 0: @@ -578,7 +578,7 @@ isdn_net_dial(void) lp->dial = lp->phone[1]; if (!lp->dial) { printk(KERN_WARNING "%s: phone number deleted?\n", - lp->name); + p->dev->name); isdn_net_hangup(p->dev); break; } @@ -632,13 +632,13 @@ isdn_net_dial(void) cmd.arg = lp->isdn_channel; if (!lp->dial) { printk(KERN_WARNING "%s: phone number deleted?\n", - lp->name); + p->dev->name); isdn_net_hangup(p->dev); break; } if (!strncmp(lp->dial->num, "LEASED", strlen("LEASED"))) { lp->dialstate = 4; - printk(KERN_INFO "%s: Open leased line ...\n", lp->name); + printk(KERN_INFO "%s: Open leased line ...\n", p->dev->name); } else { if(lp->dialtimeout > 0) if (time_after(jiffies, lp->dialstarted + lp->dialtimeout)) { @@ -688,7 +688,7 @@ isdn_net_dial(void) dev->usage[i] |= ISDN_USAGE_OUTGOING; isdn_info_update(); } - printk(KERN_INFO "%s: dialing %d %s... %s\n", lp->name, + printk(KERN_INFO "%s: dialing %d %s... %s\n", p->dev->name, lp->dialretry, cmd.parm.setup.phone, (cmd.parm.setup.si1 == 1) ? "DOV" : ""); lp->dtimer = 0; @@ -797,7 +797,7 @@ isdn_net_dial(void) */ if (lp->dtimer++ > lp->cbdelay) { - printk(KERN_INFO "%s: hangup waiting for callback ...\n", lp->name); + printk(KERN_INFO "%s: hangup waiting for callback ...\n", p->dev->name); lp->dtimer = 0; lp->dialstate = 4; cmd.driver = lp->isdn_device; @@ -810,7 +810,7 @@ isdn_net_dial(void) break; default: printk(KERN_WARNING "isdn_net: Illegal dialstate %d for device %s\n", - lp->dialstate, lp->name); + lp->dialstate, p->dev->name); } p = (isdn_net_dev *) p->next; } @@ -836,11 +836,11 @@ isdn_net_hangup(struct net_device *d) if (slp->flags & ISDN_NET_CONNECTED) { printk(KERN_INFO "isdn_net: hang up slave %s before %s\n", - slp->name, lp->name); + lp->slave->name, d->name); isdn_net_hangup(lp->slave); } } - printk(KERN_INFO "isdn_net: local hangup %s\n", lp->name); + printk(KERN_INFO "isdn_net: local hangup %s\n", d->name); #ifdef CONFIG_ISDN_PPP if (lp->p_encap == ISDN_NET_ENCAP_SYNCPPP) isdn_ppp_free(lp); @@ -858,7 +858,7 @@ isdn_net_hangup(struct net_device *d) cmd.command = ISDN_CMD_HANGUP; cmd.arg = lp->isdn_channel; isdn_command(&cmd); - printk(KERN_INFO "%s: Chargesum is %d\n", lp->name, lp->charge); + printk(KERN_INFO "%s: Chargesum is %d\n", d->name, lp->charge); isdn_all_eaz(lp->isdn_device, lp->isdn_channel); } isdn_net_unbind_channel(lp); @@ -885,7 +885,7 @@ isdn_net_log_skb(struct sk_buff * skb, isdn_net_local * lp) /* fall back to old isdn_net_log_packet method() */ char * buf = skb->data; - printk(KERN_DEBUG "isdn_net: protocol %04x is buggy, dev %s\n", skb->protocol, lp->name); + printk(KERN_DEBUG "isdn_net: protocol %04x is buggy, dev %s\n", skb->protocol, lp->netdev->dev->name); p = buf; proto = ETH_P_IP; switch (lp->p_encap) { @@ -1023,7 +1023,7 @@ void isdn_net_writebuf_skb(isdn_net_local *lp, struct sk_buff *skb) ret = isdn_writebuf_skb_stub(lp->isdn_device, lp->isdn_channel, 1, skb); if (ret != len) { /* we should never get here */ - printk(KERN_WARNING "%s: HL driver queue full\n", lp->name); + printk(KERN_WARNING "%s: HL driver queue full\n", lp->netdev->dev->name); goto error; } @@ -1461,7 +1461,7 @@ isdn_ciscohdlck_dev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) mod_timer(&lp->cisco_timer, expires); printk(KERN_INFO "%s: Keepalive period set " "to %d seconds.\n", - lp->name, lp->cisco_keepalive_period); + dev->name, lp->cisco_keepalive_period); } break; @@ -1512,7 +1512,7 @@ isdn_net_ciscohdlck_slarp_send_keepalive(unsigned long data) lp->cisco_line_state = 0; printk (KERN_WARNING "UPDOWN: Line protocol on Interface %s," - " changed state to down\n", lp->name); + " changed state to down\n", lp->netdev->dev->name); /* should stop routing higher-level data accross */ } else if ((!lp->cisco_line_state) && (myseq_diff >= 0) && (myseq_diff <= 2)) { @@ -1520,14 +1520,14 @@ isdn_net_ciscohdlck_slarp_send_keepalive(unsigned long data) lp->cisco_line_state = 1; printk (KERN_WARNING "UPDOWN: Line protocol on Interface %s," - " changed state to up\n", lp->name); + " changed state to up\n", lp->netdev->dev->name); /* restart routing higher-level data accross */ } if (lp->cisco_debserint) printk (KERN_DEBUG "%s: HDLC " "myseq %lu, mineseen %lu%c, yourseen %lu, %s\n", - lp->name, last_cisco_myseq, lp->cisco_mineseen, + lp->netdev->dev->name, last_cisco_myseq, lp->cisco_mineseen, ((last_cisco_myseq == lp->cisco_mineseen) ? '*' : 040), lp->cisco_yourseq, ((lp->cisco_line_state) ? "line up" : "line down")); @@ -1682,7 +1682,7 @@ isdn_net_ciscohdlck_slarp_in(isdn_net_local *lp, struct sk_buff *skb) "remote ip: %d.%d.%d.%d, " "local ip: %d.%d.%d.%d " "mask: %d.%d.%d.%d\n", - lp->name, + lp->netdev->dev->name, HIPQUAD(addr), HIPQUAD(local), HIPQUAD(mask)); @@ -1690,7 +1690,7 @@ isdn_net_ciscohdlck_slarp_in(isdn_net_local *lp, struct sk_buff *skb) slarp_reply_out: printk(KERN_INFO "%s: got invalid slarp " "reply (%d.%d.%d.%d/%d.%d.%d.%d) " - "- ignored\n", lp->name, + "- ignored\n", lp->netdev->dev->name, HIPQUAD(addr), HIPQUAD(mask)); break; case CISCO_SLARP_KEEPALIVE: @@ -1701,7 +1701,8 @@ isdn_net_ciscohdlck_slarp_in(isdn_net_local *lp, struct sk_buff *skb) lp->cisco_last_slarp_in) { printk(KERN_DEBUG "%s: Keepalive period mismatch - " "is %d but should be %d.\n", - lp->name, period, lp->cisco_keepalive_period); + lp->netdev->dev->name, period, + lp->cisco_keepalive_period); } lp->cisco_last_slarp_in = jiffies; p += get_u32(p, &my_seq); @@ -1732,12 +1733,12 @@ isdn_net_ciscohdlck_receive(isdn_net_local *lp, struct sk_buff *skb) if (addr != CISCO_ADDR_UNICAST && addr != CISCO_ADDR_BROADCAST) { printk(KERN_WARNING "%s: Unknown Cisco addr 0x%02x\n", - lp->name, addr); + lp->netdev->dev->name, addr); goto out_free; } if (ctrl != CISCO_CTRL) { printk(KERN_WARNING "%s: Unknown Cisco ctrl 0x%02x\n", - lp->name, ctrl); + lp->netdev->dev->name, ctrl); goto out_free; } @@ -1748,7 +1749,8 @@ isdn_net_ciscohdlck_receive(isdn_net_local *lp, struct sk_buff *skb) case CISCO_TYPE_CDP: if (lp->cisco_debserint) printk(KERN_DEBUG "%s: Received CDP packet. use " - "\"no cdp enable\" on cisco.\n", lp->name); + "\"no cdp enable\" on cisco.\n", + lp->netdev->dev->name); goto out_free; default: /* no special cisco protocol */ @@ -1843,7 +1845,7 @@ isdn_net_receive(struct net_device *ndev, struct sk_buff *skb) }; #endif /* CONFIG_ISDN_X25 */ printk(KERN_WARNING "%s: unknown encapsulation, dropping\n", - lp->name); + lp->netdev->dev->name); kfree_skb(skb); return; } @@ -2174,7 +2176,7 @@ isdn_net_find_icall(int di, int ch, int idx, setup_parm *setup) wret = matchret; #ifdef ISDN_DEBUG_NET_ICALL printk(KERN_DEBUG "n_fi: if='%s', l.msn=%s, l.flags=%d, l.dstate=%d\n", - lp->name, lp->msn, lp->flags, lp->dialstate); + p->dev->name, lp->msn, lp->flags, lp->dialstate); #endif if ((!matchret) && /* EAZ is matching */ (((!(lp->flags & ISDN_NET_CONNECTED)) && /* but not connected */ @@ -2277,7 +2279,7 @@ isdn_net_find_icall(int di, int ch, int idx, setup_parm *setup) * */ if (ISDN_NET_DIALMODE(*lp) == ISDN_NET_DM_OFF) { printk(KERN_INFO "incoming call, interface %s `stopped' -> rejected\n", - lp->name); + p->dev->name); return 3; } /* @@ -2286,7 +2288,7 @@ isdn_net_find_icall(int di, int ch, int idx, setup_parm *setup) */ if (!isdn_net_device_started(p)) { printk(KERN_INFO "%s: incoming call, interface down -> rejected\n", - lp->name); + p->dev->name); return 3; } /* Interface is up, now see if it's a slave. If so, see if @@ -2294,8 +2296,8 @@ isdn_net_find_icall(int di, int ch, int idx, setup_parm *setup) */ if (lp->master) { isdn_net_local *mlp = (isdn_net_local *) lp->master->priv; - printk(KERN_DEBUG "ICALLslv: %s\n", lp->name); - printk(KERN_DEBUG "master=%s\n", mlp->name); + printk(KERN_DEBUG "ICALLslv: %s\n", p->dev->name); + printk(KERN_DEBUG "master=%s\n", lp->master->name); if (mlp->flags & ISDN_NET_CONNECTED) { printk(KERN_DEBUG "master online\n"); /* Master is online, find parent-slave (master if first slave) */ @@ -2322,11 +2324,11 @@ isdn_net_find_icall(int di, int ch, int idx, setup_parm *setup) * */ if (ISDN_NET_DIALMODE(*lp) == ISDN_NET_DM_OFF) { printk(KERN_INFO "incoming call for callback, interface %s `off' -> rejected\n", - lp->name); + p->dev->name); return 3; } printk(KERN_DEBUG "%s: call from %s -> %s, start callback\n", - lp->name, nr, eaz); + p->dev->name, nr, eaz); if (lp->phone[1]) { /* Grab a free ISDN-Channel */ spin_lock_irqsave(&dev->lock, flags); @@ -2340,7 +2342,8 @@ isdn_net_find_icall(int di, int ch, int idx, setup_parm *setup) lp->msn) ) < 0) { - printk(KERN_WARNING "isdn_net_find_icall: No channel for %s\n", lp->name); + printk(KERN_WARNING "isdn_net_find_icall: No channel for %s\n", + p->dev->name); spin_unlock_irqrestore(&dev->lock, flags); return 0; } @@ -2361,11 +2364,12 @@ isdn_net_find_icall(int di, int ch, int idx, setup_parm *setup) /* Initiate dialing by returning 2 or 4 */ return (lp->flags & ISDN_NET_CBHUP) ? 2 : 4; } else - printk(KERN_WARNING "isdn_net: %s: No phone number\n", lp->name); + printk(KERN_WARNING "isdn_net: %s: No phone number\n", + p->dev->name); return 0; } else { - printk(KERN_DEBUG "%s: call from %s -> %s accepted\n", lp->name, nr, - eaz); + printk(KERN_DEBUG "%s: call from %s -> %s accepted\n", + p->dev->name, nr, eaz); /* if this interface is dialing, it does it probably on a different device, so free this device */ if ((lp->dialstate == 4) || (lp->dialstate == 12)) { @@ -2424,7 +2428,7 @@ isdn_net_findif(char *name) isdn_net_dev *p = dev->netdev; while (p) { - if (!strcmp(p->local->name, name)) + if (!strcmp(p->dev->name, name)) return p; p = (isdn_net_dev *) p->next; } @@ -2453,7 +2457,8 @@ isdn_net_force_dial_lp(isdn_net_local * lp) lp->pre_device, lp->pre_channel, lp->msn)) < 0) { - printk(KERN_WARNING "isdn_net_force_dial: No channel for %s\n", lp->name); + printk(KERN_WARNING "isdn_net_force_dial: No channel for %s\n", + lp->netdev->dev->name); spin_unlock_irqrestore(&dev->lock, flags); return -EAGAIN; } @@ -2556,7 +2561,7 @@ isdn_net_new(char *name, struct net_device *master) return NULL; } if (name == NULL) - name = " "; + return NULL; if (!(netdev = kzalloc(sizeof(isdn_net_dev), GFP_KERNEL))) { printk(KERN_WARNING "isdn_net: Could not allocate net-device\n"); return NULL; @@ -2568,7 +2573,6 @@ isdn_net_new(char *name, struct net_device *master) return NULL; } netdev->local = netdev->dev->priv; - strcpy(netdev->local->name, netdev->dev->name); netdev->dev->init = isdn_net_init; if (master) { /* Device shall be a slave */ @@ -2673,7 +2677,7 @@ isdn_net_setcfg(isdn_net_ioctl_cfg * cfg) #endif if (isdn_net_device_started(p)) { printk(KERN_WARNING "%s: cannot change encap when if is up\n", - lp->name); + p->dev->name); return -EBUSY; } #ifdef CONFIG_ISDN_X25 @@ -2698,7 +2702,7 @@ isdn_net_setcfg(isdn_net_ioctl_cfg * cfg) case ISDN_NET_ENCAP_SYNCPPP: #ifndef CONFIG_ISDN_PPP printk(KERN_WARNING "%s: SyncPPP support not configured\n", - lp->name); + p->dev->name); return -EINVAL; #else p->dev->type = ARPHRD_PPP; /* change ARP type */ @@ -2725,7 +2729,7 @@ isdn_net_setcfg(isdn_net_ioctl_cfg * cfg) break; printk(KERN_WARNING "%s: encapsulation protocol %d not supported\n", - p->local->name, cfg->p_encap); + p->dev->name, cfg->p_encap); return -EINVAL; } if (strlen(cfg->drvid)) { @@ -2902,13 +2906,18 @@ isdn_net_getcfg(isdn_net_ioctl_cfg * cfg) cfg->pppbind = lp->pppbind; cfg->dialtimeout = lp->dialtimeout >= 0 ? lp->dialtimeout / HZ : -1; cfg->dialwait = lp->dialwait / HZ; - if (lp->slave) - strcpy(cfg->slave, ((isdn_net_local *) lp->slave->priv)->name); - else + if (lp->slave) { + if (strlen(lp->slave->name) > 8) + strcpy(cfg->slave, "too-long"); + else + strcpy(cfg->slave, lp->slave->name); + } else cfg->slave[0] = '\0'; - if (lp->master) - strcpy(cfg->master, ((isdn_net_local *) lp->master->priv)->name); - else + if (lp->master) { + if (strlen(lp->master->name) > 8) + strcpy(cfg->master, "too-long"); + strcpy(cfg->master, lp->master->name); + } else cfg->master[0] = '\0'; return 0; } @@ -2978,7 +2987,8 @@ isdn_net_getpeer(isdn_net_ioctl_phone *phone, isdn_net_ioctl_phone __user *peer) isdn_net_dev *p = isdn_net_findif(phone->name); int ch, dv, idx; - if (!p) return -ENODEV; + if (!p) + return -ENODEV; /* * Theoretical race: while this executes, the remote number might * become invalid (hang up) or change (new connection), resulting @@ -2987,14 +2997,18 @@ isdn_net_getpeer(isdn_net_ioctl_phone *phone, isdn_net_ioctl_phone __user *peer) */ ch = p->local->isdn_channel; dv = p->local->isdn_device; - if(ch<0 && dv<0) return -ENOTCONN; + if(ch < 0 && dv < 0) + return -ENOTCONN; idx = isdn_dc2minor(dv, ch); - if (idx<0) return -ENODEV; + if (idx <0 ) + return -ENODEV; /* for pre-bound channels, we need this extra check */ - if ( strncmp(dev->num[idx],"???",3) == 0 ) return -ENOTCONN; - strncpy(phone->phone,dev->num[idx],ISDN_MSNLEN); - phone->outgoing=USG_OUTGOING(dev->usage[idx]); - if ( copy_to_user(peer,phone,sizeof(*peer)) ) return -EFAULT; + if (strncmp(dev->num[idx], "???", 3) == 0) + return -ENOTCONN; + strncpy(phone->phone, dev->num[idx], ISDN_MSNLEN); + phone->outgoing = USG_OUTGOING(dev->usage[idx]); + if (copy_to_user(peer, phone, sizeof(*peer))) + return -EFAULT; return 0; } /* @@ -3113,18 +3127,18 @@ isdn_net_realrm(isdn_net_dev * p, isdn_net_dev * q) dev->netdev = p->next; if (p->local->slave) { /* If this interface has a slave, remove it also */ - char *slavename = ((isdn_net_local *) (p->local->slave->priv))->name; + char *slavename = p->local->slave->name; isdn_net_dev *n = dev->netdev; q = NULL; while (n) { - if (!strcmp(n->local->name, slavename)) { + if (!strcmp(n->dev->name, slavename)) { spin_unlock_irqrestore(&dev->lock, flags); isdn_net_realrm(n, q); spin_lock_irqsave(&dev->lock, flags); break; } q = n; - n = (isdn_net_dev *) n->next; + n = (isdn_net_dev *)n->next; } } spin_unlock_irqrestore(&dev->lock, flags); @@ -3152,7 +3166,7 @@ isdn_net_rm(char *name) p = dev->netdev; q = NULL; while (p) { - if (!strcmp(p->local->name, name)) { + if (!strcmp(p->dev->name, name)) { spin_unlock_irqrestore(&dev->lock, flags); return (isdn_net_realrm(p, q)); } diff --git a/drivers/isdn/i4l/isdn_ppp.c b/drivers/isdn/i4l/isdn_ppp.c index 0e5e59f84344..9f5fe372f83d 100644 --- a/drivers/isdn/i4l/isdn_ppp.c +++ b/drivers/isdn/i4l/isdn_ppp.c @@ -190,9 +190,11 @@ isdn_ppp_bind(isdn_net_local * lp) retval = -1; goto out; } - unit = isdn_ppp_if_get_unit(lp->name); /* get unit number from interface name .. ugly! */ + /* get unit number from interface name .. ugly! */ + unit = isdn_ppp_if_get_unit(lp->netdev->dev->name); if (unit < 0) { - printk(KERN_ERR "isdn_ppp_bind: illegal interface name %s.\n", lp->name); + printk(KERN_ERR "isdn_ppp_bind: illegal interface name %s.\n", + lp->netdev->dev->name); retval = -1; goto out; } @@ -507,7 +509,8 @@ isdn_ppp_ioctl(int min, struct file *file, unsigned int cmd, unsigned long arg) case PPPIOCGIFNAME: if(!lp) return -EINVAL; - if ((r = set_arg(argp, lp->name, strlen(lp->name)))) + if ((r = set_arg(argp, lp->netdev->dev->name, + strlen(lp->netdev->dev->name)))) return r; break; case PPPIOCGMPFLAGS: /* get configuration flags */ diff --git a/include/linux/isdn.h b/include/linux/isdn.h index ad09506554a3..d5dda4b643ac 100644 --- a/include/linux/isdn.h +++ b/include/linux/isdn.h @@ -286,7 +286,6 @@ typedef struct { /* Local interface-data */ typedef struct isdn_net_local_s { ulong magic; - char name[10]; /* Name of device */ struct net_device_stats stats; /* Ethernet Statistics */ int isdn_device; /* Index to isdn-device */ int isdn_channel; /* Index to isdn-channel */ -- 2.20.1