diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-27 22:16:27 +0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-27 22:16:27 +0400 |
commit | 10799db60cbc4f990dd69eb49883477095c66af7 (patch) | |
tree | b87ac6acaa48f4f59f5d6a0b11490105876952e1 /net | |
parent | aaab184276a6e20834f63735d433f94ef52a0497 (diff) | |
parent | c5c177b4aca83338781e72be2e6dd1601c560cb3 (diff) | |
download | linux-10799db60cbc4f990dd69eb49883477095c66af7.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
net: Kill ratelimit.h dependency in linux/net.h
net: Add linux/sysctl.h includes where needed.
net: Kill ether_table[] declaration.
inetpeer: fix race in unused_list manipulations
atm: expose ATM device index in sysfs
IPVS: bug in ip_vs_ftp, same list heaad used in all netns.
bug.h: Move ratelimit warn interfaces to ratelimit.h
bonding: cleanup module option descriptions
net:8021q:vlan.c Fix pr_info to just give the vlan fullname and version.
net: davinci_emac: fix dev_err use at probe
can: convert to %pK for kptr_restrict support
net: fix ETHTOOL_SFEATURES compatibility with old ethtool_ops.set_flags
netfilter: Fix several warnings in compat_mtw_from_user().
netfilter: ipset: fix ip_set_flush return code
netfilter: ipset: remove unused variable from type_pf_tdel()
netfilter: ipset: Use proper timeout value to jiffies conversion
Diffstat (limited to 'net')
-rw-r--r-- | net/8021q/vlan.c | 5 | ||||
-rw-r--r-- | net/atm/atm_sysfs.c | 10 | ||||
-rw-r--r-- | net/bridge/netfilter/ebtables.c | 6 | ||||
-rw-r--r-- | net/can/proc.c | 7 | ||||
-rw-r--r-- | net/core/ethtool.c | 25 | ||||
-rw-r--r-- | net/core/filter.c | 1 | ||||
-rw-r--r-- | net/core/sysctl_net_core.c | 1 | ||||
-rw-r--r-- | net/core/utils.c | 1 | ||||
-rw-r--r-- | net/ipv4/inetpeer.c | 42 | ||||
-rw-r--r-- | net/netfilter/ipset/ip_set_core.c | 2 | ||||
-rw-r--r-- | net/netfilter/ipvs/ip_vs_ftp.c | 27 |
11 files changed, 92 insertions, 35 deletions
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c index b2274d1fd605..c7a581a96894 100644 --- a/net/8021q/vlan.c +++ b/net/8021q/vlan.c @@ -46,8 +46,6 @@ int vlan_net_id __read_mostly; const char vlan_fullname[] = "802.1Q VLAN Support"; const char vlan_version[] = DRV_VERSION; -static const char vlan_copyright[] = "Ben Greear <greearb@candelatech.com>"; -static const char vlan_buggyright[] = "David S. Miller <davem@redhat.com>"; /* End of global variables definitions. */ @@ -673,8 +671,7 @@ static int __init vlan_proto_init(void) { int err; - pr_info("%s v%s %s\n", vlan_fullname, vlan_version, vlan_copyright); - pr_info("All bugs added by %s\n", vlan_buggyright); + pr_info("%s v%s\n", vlan_fullname, vlan_version); err = register_pernet_subsys(&vlan_net_ops); if (err < 0) diff --git a/net/atm/atm_sysfs.c b/net/atm/atm_sysfs.c index f7fa67c78766..f49da5814bc3 100644 --- a/net/atm/atm_sysfs.c +++ b/net/atm/atm_sysfs.c @@ -59,6 +59,14 @@ static ssize_t show_atmaddress(struct device *cdev, return pos - buf; } +static ssize_t show_atmindex(struct device *cdev, + struct device_attribute *attr, char *buf) +{ + struct atm_dev *adev = to_atm_dev(cdev); + + return sprintf(buf, "%d\n", adev->number); +} + static ssize_t show_carrier(struct device *cdev, struct device_attribute *attr, char *buf) { @@ -99,6 +107,7 @@ static ssize_t show_link_rate(struct device *cdev, static DEVICE_ATTR(address, S_IRUGO, show_address, NULL); static DEVICE_ATTR(atmaddress, S_IRUGO, show_atmaddress, NULL); +static DEVICE_ATTR(atmindex, S_IRUGO, show_atmindex, NULL); static DEVICE_ATTR(carrier, S_IRUGO, show_carrier, NULL); static DEVICE_ATTR(type, S_IRUGO, show_type, NULL); static DEVICE_ATTR(link_rate, S_IRUGO, show_link_rate, NULL); @@ -106,6 +115,7 @@ static DEVICE_ATTR(link_rate, S_IRUGO, show_link_rate, NULL); static struct device_attribute *atm_attrs[] = { &dev_attr_atmaddress, &dev_attr_address, + &dev_attr_atmindex, &dev_attr_carrier, &dev_attr_type, &dev_attr_link_rate, diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c index 1a92b369c820..2b5ca1a0054d 100644 --- a/net/bridge/netfilter/ebtables.c +++ b/net/bridge/netfilter/ebtables.c @@ -1883,14 +1883,13 @@ static int compat_mtw_from_user(struct compat_ebt_entry_mwt *mwt, struct xt_target *wt; void *dst = NULL; int off, pad = 0; - unsigned int size_kern, entry_offset, match_size = mwt->match_size; + unsigned int size_kern, match_size = mwt->match_size; strlcpy(name, mwt->u.name, sizeof(name)); if (state->buf_kern_start) dst = state->buf_kern_start + state->buf_kern_offset; - entry_offset = (unsigned char *) mwt - base; switch (compat_mwt) { case EBT_COMPAT_MATCH: match = try_then_request_module(xt_find_match(NFPROTO_BRIDGE, @@ -1933,6 +1932,9 @@ static int compat_mtw_from_user(struct compat_ebt_entry_mwt *mwt, size_kern = wt->targetsize; module_put(wt->me); break; + + default: + return -EINVAL; } state->buf_kern_offset += match_size + off; diff --git a/net/can/proc.c b/net/can/proc.c index f4265cc9c3fb..0016f7339699 100644 --- a/net/can/proc.c +++ b/net/can/proc.c @@ -204,12 +204,11 @@ static void can_print_rcvlist(struct seq_file *m, struct hlist_head *rx_list, hlist_for_each_entry_rcu(r, n, rx_list, list) { char *fmt = (r->can_id & CAN_EFF_FLAG)? - " %-5s %08X %08x %08x %08x %8ld %s\n" : - " %-5s %03X %08x %08lx %08lx %8ld %s\n"; + " %-5s %08x %08x %pK %pK %8ld %s\n" : + " %-5s %03x %08x %pK %pK %8ld %s\n"; seq_printf(m, fmt, DNAME(dev), r->can_id, r->mask, - (unsigned long)r->func, (unsigned long)r->data, - r->matches, r->ident); + r->func, r->data, r->matches, r->ident); } } diff --git a/net/core/ethtool.c b/net/core/ethtool.c index 84e7304532e6..fd14116ad7f0 100644 --- a/net/core/ethtool.c +++ b/net/core/ethtool.c @@ -233,6 +233,29 @@ static int ethtool_set_feature_compat(struct net_device *dev, return 1; } +static int ethtool_set_flags_compat(struct net_device *dev, + int (*legacy_set)(struct net_device *, u32), + struct ethtool_set_features_block *features, u32 mask) +{ + u32 value; + + if (!legacy_set) + return 0; + + if (!(features[0].valid & mask)) + return 0; + + value = dev->features & ~features[0].valid; + value |= features[0].requested; + + features[0].valid &= ~mask; + + if (legacy_set(dev, value & mask) < 0) + netdev_info(dev, "Legacy flags change failed\n"); + + return 1; +} + static int ethtool_set_features_compat(struct net_device *dev, struct ethtool_set_features_block *features) { @@ -249,7 +272,7 @@ static int ethtool_set_features_compat(struct net_device *dev, features, NETIF_F_ALL_TSO); compat |= ethtool_set_feature_compat(dev, dev->ethtool_ops->set_rx_csum, features, NETIF_F_RXCSUM); - compat |= ethtool_set_feature_compat(dev, dev->ethtool_ops->set_flags, + compat |= ethtool_set_flags_compat(dev, dev->ethtool_ops->set_flags, features, flags_dup_features); return compat; diff --git a/net/core/filter.c b/net/core/filter.c index 0e3622f1dcb1..36f975fa87cb 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -38,6 +38,7 @@ #include <asm/unaligned.h> #include <linux/filter.h> #include <linux/reciprocal_div.h> +#include <linux/ratelimit.h> /* No hurry in this branch */ static void *__load_pointer(const struct sk_buff *skb, int k, unsigned int size) diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c index a829e3f60aeb..77a65f031488 100644 --- a/net/core/sysctl_net_core.c +++ b/net/core/sysctl_net_core.c @@ -17,6 +17,7 @@ #include <net/ip.h> #include <net/sock.h> +#include <net/net_ratelimit.h> #ifdef CONFIG_RPS static int rps_sock_flow_sysctl(ctl_table *table, int write, diff --git a/net/core/utils.c b/net/core/utils.c index 2012bc797f9c..386e263f6066 100644 --- a/net/core/utils.c +++ b/net/core/utils.c @@ -27,6 +27,7 @@ #include <linux/ratelimit.h> #include <net/sock.h> +#include <net/net_ratelimit.h> #include <asm/byteorder.h> #include <asm/system.h> diff --git a/net/ipv4/inetpeer.c b/net/ipv4/inetpeer.c index 9df4e635fb5f..ce616d92cc54 100644 --- a/net/ipv4/inetpeer.c +++ b/net/ipv4/inetpeer.c @@ -154,11 +154,9 @@ void __init inet_initpeers(void) /* Called with or without local BH being disabled. */ static void unlink_from_unused(struct inet_peer *p) { - if (!list_empty(&p->unused)) { - spin_lock_bh(&unused_peers.lock); - list_del_init(&p->unused); - spin_unlock_bh(&unused_peers.lock); - } + spin_lock_bh(&unused_peers.lock); + list_del_init(&p->unused); + spin_unlock_bh(&unused_peers.lock); } static int addr_compare(const struct inetpeer_addr *a, @@ -205,6 +203,20 @@ static int addr_compare(const struct inetpeer_addr *a, u; \ }) +static bool atomic_add_unless_return(atomic_t *ptr, int a, int u, int *newv) +{ + int cur, old = atomic_read(ptr); + + while (old != u) { + *newv = old + a; + cur = atomic_cmpxchg(ptr, old, *newv); + if (cur == old) + return true; + old = cur; + } + return false; +} + /* * Called with rcu_read_lock() * Because we hold no lock against a writer, its quite possible we fall @@ -213,7 +225,8 @@ static int addr_compare(const struct inetpeer_addr *a, * We exit from this function if number of links exceeds PEER_MAXDEPTH */ static struct inet_peer *lookup_rcu(const struct inetpeer_addr *daddr, - struct inet_peer_base *base) + struct inet_peer_base *base, + int *newrefcnt) { struct inet_peer *u = rcu_dereference(base->root); int count = 0; @@ -226,7 +239,7 @@ static struct inet_peer *lookup_rcu(const struct inetpeer_addr *daddr, * distinction between an unused entry (refcnt=0) and * a freed one. */ - if (unlikely(!atomic_add_unless(&u->refcnt, 1, -1))) + if (!atomic_add_unless_return(&u->refcnt, 1, -1, newrefcnt)) u = NULL; return u; } @@ -465,22 +478,23 @@ struct inet_peer *inet_getpeer(struct inetpeer_addr *daddr, int create) struct inet_peer_base *base = family_to_base(daddr->family); struct inet_peer *p; unsigned int sequence; - int invalidated; + int invalidated, newrefcnt = 0; /* Look up for the address quickly, lockless. * Because of a concurrent writer, we might not find an existing entry. */ rcu_read_lock(); sequence = read_seqbegin(&base->lock); - p = lookup_rcu(daddr, base); + p = lookup_rcu(daddr, base, &newrefcnt); invalidated = read_seqretry(&base->lock, sequence); rcu_read_unlock(); if (p) { - /* The existing node has been found. +found: /* The existing node has been found. * Remove the entry from unused list if it was there. */ - unlink_from_unused(p); + if (newrefcnt == 1) + unlink_from_unused(p); return p; } @@ -494,11 +508,9 @@ struct inet_peer *inet_getpeer(struct inetpeer_addr *daddr, int create) write_seqlock_bh(&base->lock); p = lookup(daddr, stack, base); if (p != peer_avl_empty) { - atomic_inc(&p->refcnt); + newrefcnt = atomic_inc_return(&p->refcnt); write_sequnlock_bh(&base->lock); - /* Remove the entry from unused list if it was there. */ - unlink_from_unused(p); - return p; + goto found; } p = create ? kmem_cache_alloc(peer_cachep, GFP_ATOMIC) : NULL; if (p) { diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c index 72d1ac611fdc..8041befc6555 100644 --- a/net/netfilter/ipset/ip_set_core.c +++ b/net/netfilter/ipset/ip_set_core.c @@ -815,7 +815,7 @@ ip_set_flush(struct sock *ctnl, struct sk_buff *skb, ip_set_id_t i; if (unlikely(protocol_failed(attr))) - return -EPROTO; + return -IPSET_ERR_PROTOCOL; if (!attr[IPSET_ATTR_SETNAME]) { for (i = 0; i < ip_set_max; i++) diff --git a/net/netfilter/ipvs/ip_vs_ftp.c b/net/netfilter/ipvs/ip_vs_ftp.c index 6b5dd6ddaae9..af63553fa332 100644 --- a/net/netfilter/ipvs/ip_vs_ftp.c +++ b/net/netfilter/ipvs/ip_vs_ftp.c @@ -411,25 +411,35 @@ static struct ip_vs_app ip_vs_ftp = { static int __net_init __ip_vs_ftp_init(struct net *net) { int i, ret; - struct ip_vs_app *app = &ip_vs_ftp; + struct ip_vs_app *app; + struct netns_ipvs *ipvs = net_ipvs(net); + + app = kmemdup(&ip_vs_ftp, sizeof(struct ip_vs_app), GFP_KERNEL); + if (!app) + return -ENOMEM; + INIT_LIST_HEAD(&app->a_list); + INIT_LIST_HEAD(&app->incs_list); + ipvs->ftp_app = app; ret = register_ip_vs_app(net, app); if (ret) - return ret; + goto err_exit; for (i=0; i<IP_VS_APP_MAX_PORTS; i++) { if (!ports[i]) continue; ret = register_ip_vs_app_inc(net, app, app->protocol, ports[i]); if (ret) - break; + goto err_unreg; pr_info("%s: loaded support on port[%d] = %d\n", app->name, i, ports[i]); } + return 0; - if (ret) - unregister_ip_vs_app(net, app); - +err_unreg: + unregister_ip_vs_app(net, app); +err_exit: + kfree(ipvs->ftp_app); return ret; } /* @@ -437,9 +447,10 @@ static int __net_init __ip_vs_ftp_init(struct net *net) */ static void __ip_vs_ftp_exit(struct net *net) { - struct ip_vs_app *app = &ip_vs_ftp; + struct netns_ipvs *ipvs = net_ipvs(net); - unregister_ip_vs_app(net, app); + unregister_ip_vs_app(net, ipvs->ftp_app); + kfree(ipvs->ftp_app); } static struct pernet_operations ip_vs_ftp_ops = { |