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authorLinus Torvalds <torvalds@linux-foundation.org>2011-05-27 11:16:27 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-05-27 11:16:27 -0700
commit10799db60cbc4f990dd69eb49883477095c66af7 (patch)
treeb87ac6acaa48f4f59f5d6a0b11490105876952e1 /net
parentaaab184276a6e20834f63735d433f94ef52a0497 (diff)
parentc5c177b4aca83338781e72be2e6dd1601c560cb3 (diff)
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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.c5
-rw-r--r--net/atm/atm_sysfs.c10
-rw-r--r--net/bridge/netfilter/ebtables.c6
-rw-r--r--net/can/proc.c7
-rw-r--r--net/core/ethtool.c25
-rw-r--r--net/core/filter.c1
-rw-r--r--net/core/sysctl_net_core.c1
-rw-r--r--net/core/utils.c1
-rw-r--r--net/ipv4/inetpeer.c42
-rw-r--r--net/netfilter/ipset/ip_set_core.c2
-rw-r--r--net/netfilter/ipvs/ip_vs_ftp.c27
11 files changed, 92 insertions, 35 deletions
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index b2274d1fd60..c7a581a9689 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 f7fa67c7876..f49da5814bc 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 1a92b369c82..2b5ca1a0054 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 f4265cc9c3f..0016f733969 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 84e7304532e..fd14116ad7f 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 0e3622f1dcb..36f975fa87c 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 a829e3f60ae..77a65f03148 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 2012bc797f9..386e263f606 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 9df4e635fb5..ce616d92cc5 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 72d1ac611fd..8041befc655 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 6b5dd6ddaae..af63553fa33 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 = {