diff options
author | Kumar Gala <galak@kernel.crashing.org> | 2007-02-12 23:57:21 -0600 |
---|---|---|
committer | Kumar Gala <galak@kernel.crashing.org> | 2007-02-12 23:57:21 -0600 |
commit | 54c66f6d781e03dc0b23956234963c4911e6d1c0 (patch) | |
tree | 40619a66ae6d8703a57bf681d087ffeabbffd346 /net/ipv6/addrconf.c | |
parent | 8ce0a7df6e6117d8814e976d4b7ce6a6b2c9cf93 (diff) | |
parent | 17e0e27020d028a790d97699aff85a43af5be472 (diff) |
Merge branch 'master' into 85xx
Diffstat (limited to 'net/ipv6/addrconf.c')
-rw-r--r-- | net/ipv6/addrconf.c | 270 |
1 files changed, 145 insertions, 125 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index e3854696988..ea0755b0903 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -3,7 +3,7 @@ * Linux INET6 implementation * * Authors: - * Pedro Roque <roque@di.fc.ul.pt> + * Pedro Roque <roque@di.fc.ul.pt> * Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> * * $Id: addrconf.c,v 1.69 2001/10/31 21:55:54 davem Exp $ @@ -105,7 +105,7 @@ static void addrconf_sysctl_unregister(struct ipv6_devconf *p); #ifdef CONFIG_IPV6_PRIVACY static int __ipv6_regen_rndid(struct inet6_dev *idev); -static int __ipv6_try_regen_rndid(struct inet6_dev *idev, struct in6_addr *tmpaddr); +static int __ipv6_try_regen_rndid(struct inet6_dev *idev, struct in6_addr *tmpaddr); static void ipv6_regen_rndid(unsigned long data); static int desync_factor = MAX_DESYNC_FACTOR * HZ; @@ -137,7 +137,7 @@ static void addrconf_rs_timer(unsigned long data); static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifa); static void ipv6_ifa_notify(int event, struct inet6_ifaddr *ifa); -static void inet6_prefix_notify(int event, struct inet6_dev *idev, +static void inet6_prefix_notify(int event, struct inet6_dev *idev, struct prefix_info *pinfo); static int ipv6_chk_same_addr(const struct in6_addr *addr, struct net_device *dev); @@ -241,7 +241,7 @@ int __ipv6_addr_type(const struct in6_addr *addr) */ if ((st & htonl(0xE0000000)) != htonl(0x00000000) && (st & htonl(0xE0000000)) != htonl(0xE0000000)) - return (IPV6_ADDR_UNICAST | + return (IPV6_ADDR_UNICAST | IPV6_ADDR_SCOPE_TYPE(IPV6_ADDR_SCOPE_GLOBAL)); if ((st & htonl(0xFF000000)) == htonl(0xFF000000)) { @@ -252,7 +252,7 @@ int __ipv6_addr_type(const struct in6_addr *addr) } if ((st & htonl(0xFFC00000)) == htonl(0xFE800000)) - return (IPV6_ADDR_LINKLOCAL | IPV6_ADDR_UNICAST | + return (IPV6_ADDR_LINKLOCAL | IPV6_ADDR_UNICAST | IPV6_ADDR_SCOPE_TYPE(IPV6_ADDR_SCOPE_LINKLOCAL)); /* addr-select 3.1 */ if ((st & htonl(0xFFC00000)) == htonl(0xFEC00000)) return (IPV6_ADDR_SITELOCAL | IPV6_ADDR_UNICAST | @@ -272,11 +272,11 @@ int __ipv6_addr_type(const struct in6_addr *addr) } if (addr->s6_addr32[2] == htonl(0x0000ffff)) - return (IPV6_ADDR_MAPPED | + return (IPV6_ADDR_MAPPED | IPV6_ADDR_SCOPE_TYPE(IPV6_ADDR_SCOPE_GLOBAL)); /* addr-select 3.3 */ } - return (IPV6_ADDR_RESERVED | + return (IPV6_ADDR_RESERVED | IPV6_ADDR_SCOPE_TYPE(IPV6_ADDR_SCOPE_GLOBAL)); /* addr-select 3.4 */ } @@ -348,10 +348,10 @@ static struct inet6_dev * ipv6_add_dev(struct net_device *dev) if (dev->mtu < IPV6_MIN_MTU) return NULL; - ndev = kzalloc(sizeof(struct inet6_dev), GFP_KERNEL); + ndev = kzalloc(sizeof(struct inet6_dev), GFP_KERNEL); - if (ndev == NULL) - return NULL; + if (ndev == NULL) + return NULL; rwlock_init(&ndev->lock); ndev->dev = dev; @@ -462,7 +462,7 @@ static void dev_forward_change(struct inet6_dev *idev) dev = idev->dev; if (dev && (dev->flags & IFF_MULTICAST)) { ipv6_addr_all_routers(&addr); - + if (idev->cnf.forwarding) ipv6_dev_mc_inc(dev, &addr); else @@ -817,8 +817,8 @@ retry: tmp_valid_lft = min_t(__u32, ifp->valid_lft, idev->cnf.temp_valid_lft); - tmp_prefered_lft = min_t(__u32, - ifp->prefered_lft, + tmp_prefered_lft = min_t(__u32, + ifp->prefered_lft, idev->cnf.temp_prefered_lft - desync_factor / HZ); tmp_plen = ifp->prefix_len; max_addresses = idev->cnf.max_addresses; @@ -828,7 +828,7 @@ retry: write_unlock(&idev->lock); ift = !max_addresses || - ipv6_count_addresses(idev) < max_addresses ? + ipv6_count_addresses(idev) < max_addresses ? ipv6_add_addr(idev, &addr, tmp_plen, ipv6_addr_type(&addr)&IPV6_ADDR_SCOPE_MASK, IFA_F_TEMPORARY) : NULL; if (!ift || IS_ERR(ift)) { @@ -1160,7 +1160,7 @@ record_it: if (!ifa_result) return -EADDRNOTAVAIL; - + ipv6_addr_copy(saddr, &ifa_result->addr); in6_ifa_put(ifa_result); return 0; @@ -1475,7 +1475,7 @@ regen: * - value 0 * - XXX: already assigned to an address on the device */ - if (idev->rndid[0] == 0xfd && + if (idev->rndid[0] == 0xfd && (idev->rndid[1]&idev->rndid[2]&idev->rndid[3]&idev->rndid[4]&idev->rndid[5]&idev->rndid[6]) == 0xff && (idev->rndid[7]&0x80)) goto regen; @@ -1502,9 +1502,9 @@ static void ipv6_regen_rndid(unsigned long data) if (__ipv6_regen_rndid(idev) < 0) goto out; - + expires = jiffies + - idev->cnf.temp_prefered_lft * HZ - + idev->cnf.temp_prefered_lft * HZ - idev->cnf.regen_max_retry * idev->cnf.dad_transmits * idev->nd_parms->retrans_time - desync_factor; if (time_before(expires, jiffies)) { printk(KERN_WARNING @@ -1630,12 +1630,12 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len) struct inet6_dev *in6_dev; pinfo = (struct prefix_info *) opt; - + if (len < sizeof(struct prefix_info)) { ADBG(("addrconf: prefix option too short\n")); return; } - + /* * Validation checks ([ADDRCONF], page 19) */ @@ -1827,7 +1827,7 @@ ok: * When a new public address is created as described in [ADDRCONF], * also create a new temporary address. */ - read_unlock_bh(&in6_dev->lock); + read_unlock_bh(&in6_dev->lock); ipv6_create_tempaddr(ifp, NULL); } else { read_unlock_bh(&in6_dev->lock); @@ -1913,14 +1913,14 @@ static int inet6_addr_add(int ifindex, struct in6_addr *pfx, int plen, int scope; ASSERT_RTNL(); - + /* check the lifetime */ if (!valid_lft || prefered_lft > valid_lft) return -EINVAL; if ((dev = __dev_get_by_index(ifindex)) == NULL) return -ENODEV; - + if ((idev = addrconf_add_dev(dev)) == NULL) return -ENOBUFS; @@ -1960,7 +1960,7 @@ static int inet6_addr_del(int ifindex, struct in6_addr *pfx, int plen) struct inet6_ifaddr *ifp; struct inet6_dev *idev; struct net_device *dev; - + if ((dev = __dev_get_by_index(ifindex)) == NULL) return -ENODEV; @@ -1973,7 +1973,7 @@ static int inet6_addr_del(int ifindex, struct in6_addr *pfx, int plen) ipv6_addr_equal(pfx, &ifp->addr)) { in6_ifa_hold(ifp); read_unlock_bh(&idev->lock); - + ipv6_del_addr(ifp); /* If the last address is deleted administratively, @@ -1993,10 +1993,10 @@ int addrconf_add_ifaddr(void __user *arg) { struct in6_ifreq ireq; int err; - + if (!capable(CAP_NET_ADMIN)) return -EPERM; - + if (copy_from_user(&ireq, arg, sizeof(struct in6_ifreq))) return -EFAULT; @@ -2011,7 +2011,7 @@ int addrconf_del_ifaddr(void __user *arg) { struct in6_ifreq ireq; int err; - + if (!capable(CAP_NET_ADMIN)) return -EPERM; @@ -2056,7 +2056,7 @@ static void sit_add_v4_addrs(struct inet6_dev *idev) return; } - for (dev = dev_base; dev != NULL; dev = dev->next) { + for (dev = dev_base; dev != NULL; dev = dev->next) { struct in_device * in_dev = __in_dev_get_rtnl(dev); if (in_dev && (dev->flags & IFF_UP)) { struct in_ifaddr * ifa; @@ -2091,7 +2091,7 @@ static void sit_add_v4_addrs(struct inet6_dev *idev) } } } - } + } } #endif @@ -2137,7 +2137,7 @@ static void addrconf_dev_config(struct net_device *dev) ASSERT_RTNL(); - if ((dev->type != ARPHRD_ETHER) && + if ((dev->type != ARPHRD_ETHER) && (dev->type != ARPHRD_FDDI) && (dev->type != ARPHRD_IEEE802_TR) && (dev->type != ARPHRD_ARCNET) && @@ -2164,9 +2164,9 @@ static void addrconf_sit_config(struct net_device *dev) ASSERT_RTNL(); - /* - * Configure the tunnel with one of our IPv4 - * addresses... we should configure all of + /* + * Configure the tunnel with one of our IPv4 + * addresses... we should configure all of * our v4 addrs in the tunnel */ @@ -2233,7 +2233,7 @@ static void addrconf_ip6_tnl_config(struct net_device *dev) ip6_tnl_add_linklocal(idev); } -static int addrconf_notify(struct notifier_block *this, unsigned long event, +static int addrconf_notify(struct notifier_block *this, unsigned long event, void * data) { struct net_device *dev = (struct net_device *) data; @@ -2378,7 +2378,7 @@ static int addrconf_ifdown(struct net_device *dev, int how) return -ENODEV; /* Step 1: remove reference to ipv6 device from parent device. - Do not dev_put! + Do not dev_put! */ if (how == 1) { idev->dead = 1; @@ -2461,7 +2461,7 @@ static int addrconf_ifdown(struct net_device *dev, int how) /* Step 5: netlink notification of this interface */ idev->tstamp = jiffies; inet6_ifinfo_notify(RTM_DELLINK, idev); - + /* Shot the device (if unregistered) */ if (how == 1) { @@ -2776,7 +2776,7 @@ out_kfree: goto out; } -static struct file_operations if6_fops = { +static const struct file_operations if6_fops = { .owner = THIS_MODULE, .open = if6_seq_open, .read = seq_read, @@ -2850,8 +2850,8 @@ restart: age = (now - ifp->tstamp) / HZ; #ifdef CONFIG_IPV6_PRIVACY - regen_advance = ifp->idev->cnf.regen_max_retry * - ifp->idev->cnf.dad_transmits * + regen_advance = ifp->idev->cnf.regen_max_retry * + ifp->idev->cnf.dad_transmits * ifp->idev->nd_parms->retrans_time / HZ; #endif @@ -3117,7 +3117,7 @@ static int inet6_fill_ifaddr(struct sk_buff *skb, struct inet6_ifaddr *ifa, nlh = nlmsg_put(skb, pid, seq, event, sizeof(struct ifaddrmsg), flags); if (nlh == NULL) - return -ENOBUFS; + return -EMSGSIZE; put_ifaddrmsg(nlh, ifa->prefix_len, ifa->flags, rt_scope(ifa->scope), ifa->idev->dev->ifindex); @@ -3137,8 +3137,10 @@ static int inet6_fill_ifaddr(struct sk_buff *skb, struct inet6_ifaddr *ifa, } if (nla_put(skb, IFA_ADDRESS, 16, &ifa->addr) < 0 || - put_cacheinfo(skb, ifa->cstamp, ifa->tstamp, preferred, valid) < 0) - return nlmsg_cancel(skb, nlh); + put_cacheinfo(skb, ifa->cstamp, ifa->tstamp, preferred, valid) < 0) { + nlmsg_cancel(skb, nlh); + return -EMSGSIZE; + } return nlmsg_end(skb, nlh); } @@ -3155,13 +3157,15 @@ static int inet6_fill_ifmcaddr(struct sk_buff *skb, struct ifmcaddr6 *ifmca, nlh = nlmsg_put(skb, pid, seq, event, sizeof(struct ifaddrmsg), flags); if (nlh == NULL) - return -ENOBUFS; + return -EMSGSIZE; put_ifaddrmsg(nlh, 128, IFA_F_PERMANENT, scope, ifindex); if (nla_put(skb, IFA_MULTICAST, 16, &ifmca->mca_addr) < 0 || put_cacheinfo(skb, ifmca->mca_cstamp, ifmca->mca_tstamp, - INFINITY_LIFE_TIME, INFINITY_LIFE_TIME) < 0) - return nlmsg_cancel(skb, nlh); + INFINITY_LIFE_TIME, INFINITY_LIFE_TIME) < 0) { + nlmsg_cancel(skb, nlh); + return -EMSGSIZE; + } return nlmsg_end(skb, nlh); } @@ -3178,13 +3182,15 @@ static int inet6_fill_ifacaddr(struct sk_buff *skb, struct ifacaddr6 *ifaca, nlh = nlmsg_put(skb, pid, seq, event, sizeof(struct ifaddrmsg), flags); if (nlh == NULL) - return -ENOBUFS; + return -EMSGSIZE; put_ifaddrmsg(nlh, 128, IFA_F_PERMANENT, scope, ifindex); if (nla_put(skb, IFA_ANYCAST, 16, &ifaca->aca_addr) < 0 || put_cacheinfo(skb, ifaca->aca_cstamp, ifaca->aca_tstamp, - INFINITY_LIFE_TIME, INFINITY_LIFE_TIME) < 0) - return nlmsg_cancel(skb, nlh); + INFINITY_LIFE_TIME, INFINITY_LIFE_TIME) < 0) { + nlmsg_cancel(skb, nlh); + return -EMSGSIZE; + } return nlmsg_end(skb, nlh); } @@ -3211,7 +3217,7 @@ static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb, s_idx = cb->args[0]; s_ip_idx = ip_idx = cb->args[1]; read_lock(&dev_base_lock); - + for (dev = dev_base, idx = 0; dev; dev = dev->next, idx++) { if (idx < s_idx) continue; @@ -3228,8 +3234,8 @@ static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb, ifa = ifa->if_next, ip_idx++) { if (ip_idx < s_ip_idx) continue; - if ((err = inet6_fill_ifaddr(skb, ifa, - NETLINK_CB(cb->skb).pid, + if ((err = inet6_fill_ifaddr(skb, ifa, + NETLINK_CB(cb->skb).pid, cb->nlh->nlmsg_seq, RTM_NEWADDR, NLM_F_MULTI)) <= 0) goto done; @@ -3237,12 +3243,12 @@ static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb, break; case MULTICAST_ADDR: /* multicast address */ - for (ifmca = idev->mc_list; ifmca; + for (ifmca = idev->mc_list; ifmca; ifmca = ifmca->next, ip_idx++) { if (ip_idx < s_ip_idx) continue; - if ((err = inet6_fill_ifmcaddr(skb, ifmca, - NETLINK_CB(cb->skb).pid, + if ((err = inet6_fill_ifmcaddr(skb, ifmca, + NETLINK_CB(cb->skb).pid, cb->nlh->nlmsg_seq, RTM_GETMULTICAST, NLM_F_MULTI)) <= 0) goto done; @@ -3254,10 +3260,10 @@ static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb, ifaca = ifaca->aca_next, ip_idx++) { if (ip_idx < s_ip_idx) continue; - if ((err = inet6_fill_ifacaddr(skb, ifaca, - NETLINK_CB(cb->skb).pid, + if ((err = inet6_fill_ifacaddr(skb, ifaca, + NETLINK_CB(cb->skb).pid, cb->nlh->nlmsg_seq, RTM_GETANYCAST, - NLM_F_MULTI)) <= 0) + NLM_F_MULTI)) <= 0) goto done; } break; @@ -3334,9 +3340,12 @@ static int inet6_rtm_getaddr(struct sk_buff *in_skb, struct nlmsghdr* nlh, err = inet6_fill_ifaddr(skb, ifa, NETLINK_CB(in_skb).pid, nlh->nlmsg_seq, RTM_NEWADDR, 0); - /* failure implies BUG in inet6_ifaddr_msgsize() */ - BUG_ON(err < 0); - + if (err < 0) { + /* -EMSGSIZE implies BUG in inet6_ifaddr_msgsize() */ + WARN_ON(err == -EMSGSIZE); + kfree_skb(skb); + goto errout_ifa; + } err = rtnl_unicast(skb, NETLINK_CB(in_skb).pid); errout_ifa: in6_ifa_put(ifa); @@ -3354,9 +3363,12 @@ static void inet6_ifa_notify(int event, struct inet6_ifaddr *ifa) goto errout; err = inet6_fill_ifaddr(skb, ifa, 0, 0, event, 0); - /* failure implies BUG in inet6_ifaddr_msgsize() */ - BUG_ON(err < 0); - + if (err < 0) { + /* -EMSGSIZE implies BUG in inet6_ifaddr_msgsize() */ + WARN_ON(err == -EMSGSIZE); + kfree_skb(skb); + goto errout; + } err = rtnl_notify(skb, 0, RTNLGRP_IPV6_IFADDR, NULL, GFP_ATOMIC); errout: if (err < 0) @@ -3414,7 +3426,7 @@ static inline size_t inet6_if_nlmsg_size(void) ); } -static int inet6_fill_ifinfo(struct sk_buff *skb, struct inet6_dev *idev, +static int inet6_fill_ifinfo(struct sk_buff *skb, struct inet6_dev *idev, u32 pid, u32 seq, int event, unsigned int flags) { struct net_device *dev = idev->dev; @@ -3426,7 +3438,7 @@ static int inet6_fill_ifinfo(struct sk_buff *skb, struct inet6_dev *idev, nlh = nlmsg_put(skb, pid, seq, event, sizeof(*hdr), flags); if (nlh == NULL) - return -ENOBUFS; + return -EMSGSIZE; hdr = nlmsg_data(nlh); hdr->ifi_family = AF_INET6; @@ -3469,7 +3481,8 @@ static int inet6_fill_ifinfo(struct sk_buff *skb, struct inet6_dev *idev, return nlmsg_end(skb, nlh); nla_put_failure: - return nlmsg_cancel(skb, nlh); + nlmsg_cancel(skb, nlh); + return -EMSGSIZE; } static int inet6_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb) @@ -3485,7 +3498,7 @@ static int inet6_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb) continue; if ((idev = in6_dev_get(dev)) == NULL) continue; - err = inet6_fill_ifinfo(skb, idev, NETLINK_CB(cb->skb).pid, + err = inet6_fill_ifinfo(skb, idev, NETLINK_CB(cb->skb).pid, cb->nlh->nlmsg_seq, RTM_NEWLINK, NLM_F_MULTI); in6_dev_put(idev); if (err <= 0) @@ -3501,15 +3514,18 @@ void inet6_ifinfo_notify(int event, struct inet6_dev *idev) { struct sk_buff *skb; int err = -ENOBUFS; - + skb = nlmsg_new(inet6_if_nlmsg_size(), GFP_ATOMIC); if (skb == NULL) goto errout; err = inet6_fill_ifinfo(skb, idev, 0, 0, event, 0); - /* failure implies BUG in inet6_if_nlmsg_size() */ - BUG_ON(err < 0); - + if (err < 0) { + /* -EMSGSIZE implies BUG in inet6_if_nlmsg_size() */ + WARN_ON(err == -EMSGSIZE); + kfree_skb(skb); + goto errout; + } err = rtnl_notify(skb, 0, RTNLGRP_IPV6_IFADDR, NULL, GFP_ATOMIC); errout: if (err < 0) @@ -3533,7 +3549,7 @@ static int inet6_fill_prefix(struct sk_buff *skb, struct inet6_dev *idev, nlh = nlmsg_put(skb, pid, seq, event, sizeof(*pmsg), flags); if (nlh == NULL) - return -ENOBUFS; + return -EMSGSIZE; pmsg = nlmsg_data(nlh); pmsg->prefix_family = AF_INET6; @@ -3558,10 +3574,11 @@ static int inet6_fill_prefix(struct sk_buff *skb, struct inet6_dev *idev, return nlmsg_end(skb, nlh); nla_put_failure: - return nlmsg_cancel(skb, nlh); + nlmsg_cancel(skb, nlh); + return -EMSGSIZE; } -static void inet6_prefix_notify(int event, struct inet6_dev *idev, +static void inet6_prefix_notify(int event, struct inet6_dev *idev, struct prefix_info *pinfo) { struct sk_buff *skb; @@ -3572,9 +3589,12 @@ static void inet6_prefix_notify(int event, struct inet6_dev *idev, goto errout; err = inet6_fill_prefix(skb, idev, pinfo, 0, 0, event, 0); - /* failure implies BUG in inet6_prefix_nlmsg_size() */ - BUG_ON(err < 0); - + if (err < 0) { + /* -EMSGSIZE implies BUG in inet6_prefix_nlmsg_size() */ + WARN_ON(err == -EMSGSIZE); + kfree_skb(skb); + goto errout; + } err = rtnl_notify(skb, 0, RTNLGRP_IPV6_PREFIX, NULL, GFP_ATOMIC); errout: if (err < 0) @@ -3655,10 +3675,10 @@ int addrconf_sysctl_forward(ctl_table *ctl, int write, struct file * filp, rt6_purge_dflt_routers(); } - return ret; + return ret; } -static int addrconf_sysctl_forward_strategy(ctl_table *table, +static int addrconf_sysctl_forward_strategy(ctl_table *table, int __user *name, int nlen, void __user *oldval, size_t __user *oldlenp, @@ -3723,19 +3743,19 @@ static struct addrconf_sysctl_table } addrconf_sysctl __read_mostly = { .sysctl_header = NULL, .addrconf_vars = { - { + { .ctl_name = NET_IPV6_FORWARDING, .procname = "forwarding", - .data = &ipv6_devconf.forwarding, + .data = &ipv6_devconf.forwarding, .maxlen = sizeof(int), .mode = 0644, - .proc_handler = &addrconf_sysctl_forward, + .proc_handler = &addrconf_sysctl_forward, .strategy = &addrconf_sysctl_forward_strategy, }, { .ctl_name = NET_IPV6_HOP_LIMIT, .procname = "hop_limit", - .data = &ipv6_devconf.hop_limit, + .data = &ipv6_devconf.hop_limit, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, @@ -3744,116 +3764,116 @@ static struct addrconf_sysctl_table .ctl_name = NET_IPV6_MTU, .procname = "mtu", .data = &ipv6_devconf.mtu6, - .maxlen = sizeof(int), + .maxlen = sizeof(int), .mode = 0644, - .proc_handler = &proc_dointvec, + .proc_handler = &proc_dointvec, }, { .ctl_name = NET_IPV6_ACCEPT_RA, .procname = "accept_ra", - .data = &ipv6_devconf.accept_ra, + .data = &ipv6_devconf.accept_ra, .maxlen = sizeof(int), .mode = 0644, - .proc_handler = &proc_dointvec, + .proc_handler = &proc_dointvec, }, { .ctl_name = NET_IPV6_ACCEPT_REDIRECTS, .procname = "accept_redirects", - .data = &ipv6_devconf.accept_redirects, + .data = &ipv6_devconf.accept_redirects, .maxlen = sizeof(int), .mode = 0644, - .proc_handler = &proc_dointvec, + .proc_handler = &proc_dointvec, }, { .ctl_name = NET_IPV6_AUTOCONF, .procname = "autoconf", - .data = &ipv6_devconf.autoconf, + .data = &ipv6_devconf.autoconf, .maxlen = sizeof(int), .mode = 0644, - .proc_handler = &proc_dointvec, + .proc_handler = &proc_dointvec, }, { .ctl_name = NET_IPV6_DAD_TRANSMITS, .procname = "dad_transmits", - .data = &ipv6_devconf.dad_transmits, + .data = &ipv6_devconf.dad_transmits, .maxlen = sizeof(int), .mode = 0644, - .proc_handler = &proc_dointvec, + .proc_handler = &proc_dointvec, }, { .ctl_name = NET_IPV6_RTR_SOLICITS, .procname = "router_solicitations", - .data = &ipv6_devconf.rtr_solicits, + .data = &ipv6_devconf.rtr_solicits, .maxlen = sizeof(int), .mode = 0644, - .proc_handler = &proc_dointvec, + .proc_handler = &proc_dointvec, }, { .ctl_name = NET_IPV6_RTR_SOLICIT_INTERVAL, .procname = "router_solicitation_interval", - .data = &ipv6_devconf.rtr_solicit_interval, + .data = &ipv6_devconf.rtr_solicit_interval, .maxlen = sizeof(int), .mode = 0644, - .proc_handler = &proc_dointvec_jiffies, + .proc_handler = &proc_dointvec_jiffies, .strategy = &sysctl_jiffies, }, { .ctl_name = NET_IPV6_RTR_SOLICIT_DELAY, .procname = "router_solicitation_delay", - .data = &ipv6_devconf.rtr_solicit_delay, + .data = &ipv6_devconf.rtr_solicit_delay, .maxlen = sizeof(int), .mode = 0644, - .proc_handler = &proc_dointvec_jiffies, + .proc_handler = &proc_dointvec_jiffies, .strategy = &sysctl_jiffies, }, { .ctl_name = NET_IPV6_FORCE_MLD_VERSION, .procname = "force_mld_version", - .data = &ipv6_devconf.force_mld_version, + .data = &ipv6_devconf.force_mld_version, .maxlen = sizeof(int), .mode = 0644, - .proc_handler = &proc_dointvec, + .proc_handler = &proc_dointvec, }, #ifdef CONFIG_IPV6_PRIVACY { .ctl_name = NET_IPV6_USE_TEMPADDR, .procname = "use_tempaddr", - .data = &ipv6_devconf.use_tempaddr, + .data = &ipv6_devconf.use_tempaddr, .maxlen = sizeof(int), .mode = 0644, - .proc_handler = &proc_dointvec, + .proc_handler = &proc_dointvec, }, { .ctl_name = NET_IPV6_TEMP_VALID_LFT, .procname = "temp_valid_lft", - .data = &ipv6_devconf.temp_valid_lft, + .data = &ipv6_devconf.temp_valid_lft, .maxlen = sizeof(int), .mode = 0644, - .proc_handler = &proc_dointvec, + .proc_handler = &proc_dointvec, }, { .ctl_name = NET_IPV6_TEMP_PREFERED_LFT, .procname = "temp_prefered_lft", - .data = &ipv6_devconf.temp_prefered_lft, + .data = &ipv6_devconf.temp_prefered_lft, .maxlen = sizeof(int), .mode = 0644, - .proc_handler = &proc_dointvec, + .proc_handler = &proc_dointvec, }, { .ctl_name = NET_IPV6_REGEN_MAX_RETRY, .procname = "regen_max_retry", - .data = &ipv6_devconf.regen_max_retry, + .data = &ipv6_devconf.regen_max_retry, .maxlen = sizeof(int), .mode = 0644, - .proc_handler = &proc_dointvec, + .proc_handler = &proc_dointvec, }, { .ctl_name = NET_IPV6_MAX_DESYNC_FACTOR, .procname = "max_desync_factor", - .data = &ipv6_devconf.max_desync_factor, + .data = &ipv6_devconf.max_desync_factor, .maxlen = sizeof(int), .mode = 0644, - .proc_handler = &proc_dointvec, + .proc_handler = &proc_dointvec, }, #endif { @@ -3867,18 +3887,18 @@ static struct addrconf_sysctl_table { .ctl_name = NET_IPV6_ACCEPT_RA_DEFRTR, .procname = "accept_ra_defrtr", - .data = &ipv6_devconf.accept_ra_defrtr, + .data = &ipv6_devconf.accept_ra_defrtr, .maxlen = sizeof(int), .mode = 0644, - .proc_handler = &proc_dointvec, + .proc_handler = &proc_dointvec, }, { .ctl_name = NET_IPV6_ACCEPT_RA_PINFO, .procname = "accept_ra_pinfo", - .data = &ipv6_devconf.accept_ra_pinfo, + .data = &ipv6_devconf.accept_ra_pinfo, .maxlen = sizeof(int), .mode = 0644, - .proc_handler = &proc_dointvec, + .proc_handler = &proc_dointvec, }, #ifdef CONFIG_IPV6_ROUTER_PREF { @@ -3983,18 +4003,18 @@ static void addrconf_sysctl_register(struct inet6_dev *idev, struct ipv6_devconf t->addrconf_vars[i].extra1 = idev; /* embedded; no ref */ } if (dev) { - dev_name = dev->name; + dev_name = dev->name; t->addrconf_dev[0].ctl_name = dev->ifindex; } else { dev_name = "default"; t->addrconf_dev[0].ctl_name = NET_PROTO_CONF_DEFAULT; } - /* - * Make a copy of dev_name, because '.procname' is regarded as const + /* + * Make a copy of dev_name, because '.procname' is regarded as const * by sysctl and we wouldn't want anyone to change it under our feet * (see SIOCSIFNAME). - */ + */ dev_name = kstrdup(dev_name, GFP_KERNEL); if (!dev_name) goto free; @@ -4046,12 +4066,12 @@ static void addrconf_sysctl_unregister(struct ipv6_devconf *p) int register_inet6addr_notifier(struct notifier_block *nb) { - return atomic_notifier_chain_register(&inet6addr_chain, nb); + return atomic_notifier_chain_register(&inet6addr_chain, nb); } int unregister_inet6addr_notifier(struct notifier_block *nb) { - return atomic_notifier_chain_unregister(&inet6addr_chain,nb); + return atomic_notifier_chain_unregister(&inet6addr_chain,nb); } /* @@ -4104,9 +4124,9 @@ int __init addrconf_init(void) void __exit addrconf_cleanup(void) { - struct net_device *dev; - struct inet6_dev *idev; - struct inet6_ifaddr *ifa; + struct net_device *dev; + struct inet6_dev *idev; + struct inet6_ifaddr *ifa; int i; unregister_netdevice_notifier(&ipv6_dev_notf); |