X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fdecnet%2Fdn_dev.c;h=060d725e2942b909580497b2a3c7ee9c9fe8c475;hb=f5ffd4620aba9e55656483ae1ef5c79ba81f5403;hp=ed083ab455b75f600ec5da51716ace4db8a04905;hpb=4285431fb658263e98942ce2320b0b26eddcc06d;p=pandora-kernel.git diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c index ed083ab455b7..060d725e2942 100644 --- a/net/decnet/dn_dev.c +++ b/net/decnet/dn_dev.c @@ -224,27 +224,27 @@ static struct dn_dev_sysctl_table { {0} }, {{ - .ctl_name = 0, - .procname = "", - .mode = 0555, + .ctl_name = 0, + .procname = "", + .mode = 0555, .child = dn_dev_sysctl.dn_dev_vars }, {0}}, {{ .ctl_name = NET_DECNET_CONF, - .procname = "conf", - .mode = 0555, + .procname = "conf", + .mode = 0555, .child = dn_dev_sysctl.dn_dev_dev }, {0}}, {{ - .ctl_name = NET_DECNET, - .procname = "decnet", - .mode = 0555, + .ctl_name = NET_DECNET, + .procname = "decnet", + .mode = 0555, .child = dn_dev_sysctl.dn_dev_conf_dir }, {0}}, {{ - .ctl_name = CTL_NET, - .procname = "net", - .mode = 0555, + .ctl_name = CTL_NET, + .procname = "net", + .mode = 0555, .child = dn_dev_sysctl.dn_dev_proto_dir }, {0}} }; @@ -261,7 +261,6 @@ static void dn_dev_sysctl_register(struct net_device *dev, struct dn_dev_parms * for(i = 0; i < ARRAY_SIZE(t->dn_dev_vars) - 1; i++) { long offset = (long)t->dn_dev_vars[i].data; t->dn_dev_vars[i].data = ((char *)parms) + offset; - t->dn_dev_vars[i].de = NULL; } if (dev) { @@ -273,16 +272,12 @@ static void dn_dev_sysctl_register(struct net_device *dev, struct dn_dev_parms * } t->dn_dev_dev[0].child = t->dn_dev_vars; - t->dn_dev_dev[0].de = NULL; t->dn_dev_conf_dir[0].child = t->dn_dev_dev; - t->dn_dev_conf_dir[0].de = NULL; t->dn_dev_proto_dir[0].child = t->dn_dev_conf_dir; - t->dn_dev_proto_dir[0].de = NULL; t->dn_dev_root_dir[0].child = t->dn_dev_proto_dir; - t->dn_dev_root_dir[0].de = NULL; t->dn_dev_vars[0].extra1 = (void *)dev; - t->sysctl_header = register_sysctl_table(t->dn_dev_root_dir, 0); + t->sysctl_header = register_sysctl_table(t->dn_dev_root_dir); if (t->sysctl_header == NULL) kfree(t); else @@ -299,7 +294,7 @@ static void dn_dev_sysctl_unregister(struct dn_dev_parms *parms) } } -static int dn_forwarding_proc(ctl_table *table, int write, +static int dn_forwarding_proc(ctl_table *table, int write, struct file *filep, void __user *buffer, size_t *lenp, loff_t *ppos) @@ -456,7 +451,7 @@ static int dn_dev_insert_ifa(struct dn_dev *dn_db, struct dn_ifaddr *ifa) ASSERT_RTNL(); - /* Check for duplicates */ + /* Check for duplicates */ for(ifa1 = dn_db->ifa_list; ifa1; ifa1 = ifa1->ifa_next) { if (ifa1->ifa_local == ifa->ifa_local) return -EEXIST; @@ -708,7 +703,7 @@ static int dn_nl_newaddr(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg) if (!dn_db) return err; } - + if ((ifa = dn_dev_alloc_ifa()) == NULL) return -ENOBUFS; @@ -749,7 +744,7 @@ static int dn_nl_fill_ifaddr(struct sk_buff *skb, struct dn_ifaddr *ifa, nlh = nlmsg_put(skb, pid, seq, event, sizeof(*ifm), flags); if (nlh == NULL) - return -ENOBUFS; + return -EMSGSIZE; ifm = nlmsg_data(nlh); ifm->ifa_family = AF_DECnet; @@ -768,7 +763,8 @@ static int dn_nl_fill_ifaddr(struct sk_buff *skb, struct dn_ifaddr *ifa, return nlmsg_end(skb, nlh); nla_put_failure: - return nlmsg_cancel(skb, nlh); + nlmsg_cancel(skb, nlh); + return -EMSGSIZE; } static void dn_ifaddr_notify(int event, struct dn_ifaddr *ifa) @@ -781,9 +777,12 @@ static void dn_ifaddr_notify(int event, struct dn_ifaddr *ifa) goto errout; err = dn_nl_fill_ifaddr(skb, ifa, 0, 0, event, 0); - /* failure implies BUG in dn_ifaddr_nlmsg_size() */ - BUG_ON(err < 0); - + if (err < 0) { + /* -EMSGSIZE implies BUG in dn_ifaddr_nlmsg_size() */ + WARN_ON(err == -EMSGSIZE); + kfree_skb(skb); + goto errout; + } err = rtnl_notify(skb, 0, RTNLGRP_DECnet_IFADDR, NULL, GFP_KERNEL); errout: if (err < 0) @@ -849,7 +848,7 @@ out: return rv; } -/* +/* * Find a default address to bind to. * * This is one of those areas where the initial VMS concepts don't really @@ -880,39 +879,39 @@ last_chance: static void dn_send_endnode_hello(struct net_device *dev, struct dn_ifaddr *ifa) { - struct endnode_hello_message *msg; - struct sk_buff *skb = NULL; - __le16 *pktlen; + struct endnode_hello_message *msg; + struct sk_buff *skb = NULL; + __le16 *pktlen; struct dn_dev *dn_db = (struct dn_dev *)dev->dn_ptr; - if ((skb = dn_alloc_skb(NULL, sizeof(*msg), GFP_ATOMIC)) == NULL) + if ((skb = dn_alloc_skb(NULL, sizeof(*msg), GFP_ATOMIC)) == NULL) return; - skb->dev = dev; + skb->dev = dev; - msg = (struct endnode_hello_message *)skb_put(skb,sizeof(*msg)); + msg = (struct endnode_hello_message *)skb_put(skb,sizeof(*msg)); - msg->msgflg = 0x0D; - memcpy(msg->tiver, dn_eco_version, 3); + msg->msgflg = 0x0D; + memcpy(msg->tiver, dn_eco_version, 3); dn_dn2eth(msg->id, ifa->ifa_local); - msg->iinfo = DN_RT_INFO_ENDN; - msg->blksize = dn_htons(mtu2blksize(dev)); - msg->area = 0x00; - memset(msg->seed, 0, 8); - memcpy(msg->neighbor, dn_hiord, ETH_ALEN); + msg->iinfo = DN_RT_INFO_ENDN; + msg->blksize = dn_htons(mtu2blksize(dev)); + msg->area = 0x00; + memset(msg->seed, 0, 8); + memcpy(msg->neighbor, dn_hiord, ETH_ALEN); if (dn_db->router) { struct dn_neigh *dn = (struct dn_neigh *)dn_db->router; dn_dn2eth(msg->neighbor, dn->addr); } - msg->timer = dn_htons((unsigned short)dn_db->parms.t3); - msg->mpd = 0x00; - msg->datalen = 0x02; - memset(msg->data, 0xAA, 2); - - pktlen = (__le16 *)skb_push(skb,2); - *pktlen = dn_htons(skb->len - 2); + msg->timer = dn_htons((unsigned short)dn_db->parms.t3); + msg->mpd = 0x00; + msg->datalen = 0x02; + memset(msg->data, 0xAA, 2); + + pktlen = (__le16 *)skb_push(skb,2); + *pktlen = dn_htons(skb->len - 2); skb->nh.raw = skb->data; @@ -982,11 +981,11 @@ static void dn_send_router_hello(struct net_device *dev, struct dn_ifaddr *ifa) dn_dn2eth(ptr, ifa->ifa_local); src = ptr; ptr += ETH_ALEN; - *ptr++ = dn_db->parms.forwarding == 1 ? + *ptr++ = dn_db->parms.forwarding == 1 ? DN_RT_INFO_L1RT : DN_RT_INFO_L2RT; *((__le16 *)ptr) = dn_htons(mtu2blksize(dev)); ptr += 2; - *ptr++ = dn_db->parms.priority; /* Priority */ + *ptr++ = dn_db->parms.priority; /* Priority */ *ptr++ = 0; /* Area: Reserved */ *((__le16 *)ptr) = dn_htons((unsigned short)dn_db->parms.t3); ptr += 2; @@ -1404,18 +1403,18 @@ static char *dn_type2asc(char type) static int dn_dev_seq_show(struct seq_file *seq, void *v) { if (v == SEQ_START_TOKEN) - seq_puts(seq, "Name Flags T1 Timer1 T3 Timer3 BlkSize Pri State DevType Router Peer\n"); + seq_puts(seq, "Name Flags T1 Timer1 T3 Timer3 BlkSize Pri State DevType Router Peer\n"); else { struct net_device *dev = v; char peer_buf[DN_ASCBUF_LEN]; char router_buf[DN_ASCBUF_LEN]; struct dn_dev *dn_db = dev->dn_ptr; - seq_printf(seq, "%-8s %1s %04u %04u %04lu %04lu" + seq_printf(seq, "%-8s %1s %04u %04u %04lu %04lu" " %04hu %03d %02x %-10s %-7s %-7s\n", - dev->name ? dev->name : "???", - dn_type2asc(dn_db->parms.mode), - 0, 0, + dev->name ? dev->name : "???", + dn_type2asc(dn_db->parms.mode), + 0, 0, dn_db->t3, dn_db->parms.t3, mtu2blksize(dev), dn_db->parms.priority, @@ -1438,7 +1437,7 @@ static int dn_dev_seq_open(struct inode *inode, struct file *file) return seq_open(file, &dn_dev_seq_ops); } -static struct file_operations dn_dev_seq_fops = { +static const struct file_operations dn_dev_seq_fops = { .owner = THIS_MODULE, .open = dn_dev_seq_open, .read = seq_read, @@ -1472,17 +1471,17 @@ MODULE_PARM_DESC(addr, "The DECnet address of this machine: area,node"); void __init dn_dev_init(void) { - if (addr[0] > 63 || addr[0] < 0) { - printk(KERN_ERR "DECnet: Area must be between 0 and 63"); - return; - } + if (addr[0] > 63 || addr[0] < 0) { + printk(KERN_ERR "DECnet: Area must be between 0 and 63"); + return; + } - if (addr[1] > 1023 || addr[1] < 0) { - printk(KERN_ERR "DECnet: Node must be between 0 and 1023"); - return; - } + if (addr[1] > 1023 || addr[1] < 0) { + printk(KERN_ERR "DECnet: Node must be between 0 and 1023"); + return; + } - decnet_address = dn_htons((addr[0] << 10) | addr[1]); + decnet_address = dn_htons((addr[0] << 10) | addr[1]); dn_dev_devices_on();