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-rw-r--r--net/bridge/br_netfilter.c13
-rw-r--r--net/compat.c50
-rw-r--r--net/core/pktgen.c9
-rw-r--r--net/core/skbuff.c2
-rw-r--r--net/core/sock.c31
-rw-r--r--net/ipv4/af_inet.c1
-rw-r--r--net/ipv4/ipmr.c9
-rw-r--r--net/ipv4/tcp_output.c7
-rw-r--r--net/ipv4/udp.c1
-rw-r--r--net/ipv6/ip6mr.c4
-rw-r--r--net/ipv6/proc.c6
-rw-r--r--net/mac80211/mlme.c22
-rw-r--r--net/mac80211/wext.c8
-rw-r--r--net/netfilter/nf_conntrack_core.c2
-rw-r--r--net/netfilter/nf_conntrack_netlink.c7
-rw-r--r--net/phonet/af_phonet.c52
-rw-r--r--net/phonet/pn_dev.c2
-rw-r--r--net/rose/af_rose.c10
-rw-r--r--net/sched/sch_api.c2
-rw-r--r--net/sched/sch_generic.c7
-rw-r--r--net/socket.c80
-rw-r--r--net/sunrpc/auth_generic.c20
-rw-r--r--net/sunrpc/svcsock.c9
-rw-r--r--net/unix/af_unix.c2
-rw-r--r--net/unix/garbage.c13
-rw-r--r--net/wireless/reg.c4
26 files changed, 154 insertions, 219 deletions
diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index fa5cda4e552a..45f61c348e36 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -101,6 +101,18 @@ static inline __be16 pppoe_proto(const struct sk_buff *skb)
pppoe_proto(skb) == htons(PPP_IPV6) && \
brnf_filter_pppoe_tagged)
+static void fake_update_pmtu(struct dst_entry *dst, u32 mtu)
+{
+}
+
+static struct dst_ops fake_dst_ops = {
+ .family = AF_INET,
+ .protocol = __constant_htons(ETH_P_IP),
+ .update_pmtu = fake_update_pmtu,
+ .entry_size = sizeof(struct rtable),
+ .entries = ATOMIC_INIT(0),
+};
+
/*
* Initialize bogus route table used to keep netfilter happy.
* Currently, we fill in the PMTU entry because netfilter
@@ -117,6 +129,7 @@ void br_netfilter_rtable_init(struct net_bridge *br)
rt->u.dst.path = &rt->u.dst;
rt->u.dst.metrics[RTAX_MTU - 1] = 1500;
rt->u.dst.flags = DST_NOXFRM;
+ rt->u.dst.ops = &fake_dst_ops;
}
static inline struct rtable *bridge_parent_rtable(const struct net_device *dev)
diff --git a/net/compat.c b/net/compat.c
index 6ce1a1cadcc0..a3a2ba0fac08 100644
--- a/net/compat.c
+++ b/net/compat.c
@@ -725,7 +725,7 @@ EXPORT_SYMBOL(compat_mc_getsockopt);
static unsigned char nas[19]={AL(0),AL(3),AL(3),AL(3),AL(2),AL(3),
AL(3),AL(3),AL(4),AL(4),AL(4),AL(6),
AL(6),AL(2),AL(5),AL(5),AL(3),AL(3),
- AL(6)};
+ AL(4)};
#undef AL
asmlinkage long compat_sys_sendmsg(int fd, struct compat_msghdr __user *msg, unsigned flags)
@@ -738,52 +738,13 @@ asmlinkage long compat_sys_recvmsg(int fd, struct compat_msghdr __user *msg, uns
return sys_recvmsg(fd, (struct msghdr __user *)msg, flags | MSG_CMSG_COMPAT);
}
-asmlinkage long compat_sys_paccept(int fd, struct sockaddr __user *upeer_sockaddr,
- int __user *upeer_addrlen,
- const compat_sigset_t __user *sigmask,
- compat_size_t sigsetsize, int flags)
-{
- compat_sigset_t ss32;
- sigset_t ksigmask, sigsaved;
- int ret;
-
- if (sigmask) {
- if (sigsetsize != sizeof(compat_sigset_t))
- return -EINVAL;
- if (copy_from_user(&ss32, sigmask, sizeof(ss32)))
- return -EFAULT;
- sigset_from_compat(&ksigmask, &ss32);
-
- sigdelsetmask(&ksigmask, sigmask(SIGKILL)|sigmask(SIGSTOP));
- sigprocmask(SIG_SETMASK, &ksigmask, &sigsaved);
- }
-
- ret = do_accept(fd, upeer_sockaddr, upeer_addrlen, flags);
-
- if (ret == -ERESTARTNOHAND) {
- /*
- * Don't restore the signal mask yet. Let do_signal() deliver
- * the signal on the way back to userspace, before the signal
- * mask is restored.
- */
- if (sigmask) {
- memcpy(&current->saved_sigmask, &sigsaved,
- sizeof(sigsaved));
- set_restore_sigmask();
- }
- } else if (sigmask)
- sigprocmask(SIG_SETMASK, &sigsaved, NULL);
-
- return ret;
-}
-
asmlinkage long compat_sys_socketcall(int call, u32 __user *args)
{
int ret;
u32 a[6];
u32 a0, a1;
- if (call < SYS_SOCKET || call > SYS_PACCEPT)
+ if (call < SYS_SOCKET || call > SYS_ACCEPT4)
return -EINVAL;
if (copy_from_user(a, args, nas[call]))
return -EFAULT;
@@ -804,7 +765,7 @@ asmlinkage long compat_sys_socketcall(int call, u32 __user *args)
ret = sys_listen(a0, a1);
break;
case SYS_ACCEPT:
- ret = do_accept(a0, compat_ptr(a1), compat_ptr(a[2]), 0);
+ ret = sys_accept4(a0, compat_ptr(a1), compat_ptr(a[2]), 0);
break;
case SYS_GETSOCKNAME:
ret = sys_getsockname(a0, compat_ptr(a1), compat_ptr(a[2]));
@@ -844,9 +805,8 @@ asmlinkage long compat_sys_socketcall(int call, u32 __user *args)
case SYS_RECVMSG:
ret = compat_sys_recvmsg(a0, compat_ptr(a1), a[2]);
break;
- case SYS_PACCEPT:
- ret = compat_sys_paccept(a0, compat_ptr(a1), compat_ptr(a[2]),
- compat_ptr(a[3]), a[4], a[5]);
+ case SYS_ACCEPT4:
+ ret = sys_accept4(a0, compat_ptr(a1), compat_ptr(a[2]), a[3]);
break;
default:
ret = -EINVAL;
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index a47f5bad110d..8997e912aaaf 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -1973,13 +1973,7 @@ static void pktgen_setup_inject(struct pktgen_dev *pkt_dev)
/* make sure that we don't pick a non-existing transmit queue */
ntxq = pkt_dev->odev->real_num_tx_queues;
- if (ntxq > num_online_cpus() && (pkt_dev->flags & F_QUEUE_MAP_CPU)) {
- printk(KERN_WARNING "pktgen: WARNING: QUEUE_MAP_CPU "
- "disabled because CPU count (%d) exceeds number "
- "of tx queues (%d) on %s\n", num_online_cpus(), ntxq,
- pkt_dev->odev->name);
- pkt_dev->flags &= ~F_QUEUE_MAP_CPU;
- }
+
if (ntxq <= pkt_dev->queue_map_min) {
printk(KERN_WARNING "pktgen: WARNING: Requested "
"queue_map_min (zero-based) (%d) exceeds valid range "
@@ -2202,6 +2196,7 @@ static void set_cur_queue_map(struct pktgen_dev *pkt_dev)
}
pkt_dev->cur_queue_map = t;
}
+ pkt_dev->cur_queue_map = pkt_dev->cur_queue_map % pkt_dev->odev->real_num_tx_queues;
}
/* Increment/randomize headers according to flags and current values
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index d49ef8301b5b..65f7757465bd 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -149,7 +149,7 @@ void skb_under_panic(struct sk_buff *skb, int sz, void *here)
void skb_truesize_bug(struct sk_buff *skb)
{
- printk(KERN_ERR "SKB BUG: Invalid truesize (%u) "
+ WARN(net_ratelimit(), KERN_ERR "SKB BUG: Invalid truesize (%u) "
"len=%u, sizeof(sk_buff)=%Zd\n",
skb->truesize, skb->len, sizeof(struct sk_buff));
}
diff --git a/net/core/sock.c b/net/core/sock.c
index 341e39456952..edf7220889a4 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -2035,9 +2035,6 @@ static inline void release_proto_idx(struct proto *prot)
int proto_register(struct proto *prot, int alloc_slab)
{
- char *request_sock_slab_name = NULL;
- char *timewait_sock_slab_name;
-
if (alloc_slab) {
prot->slab = kmem_cache_create(prot->name, prot->obj_size, 0,
SLAB_HWCACHE_ALIGN, NULL);
@@ -2051,12 +2048,12 @@ int proto_register(struct proto *prot, int alloc_slab)
if (prot->rsk_prot != NULL) {
static const char mask[] = "request_sock_%s";
- request_sock_slab_name = kmalloc(strlen(prot->name) + sizeof(mask) - 1, GFP_KERNEL);
- if (request_sock_slab_name == NULL)
+ prot->rsk_prot->slab_name = kmalloc(strlen(prot->name) + sizeof(mask) - 1, GFP_KERNEL);
+ if (prot->rsk_prot->slab_name == NULL)
goto out_free_sock_slab;
- sprintf(request_sock_slab_name, mask, prot->name);
- prot->rsk_prot->slab = kmem_cache_create(request_sock_slab_name,
+ sprintf(prot->rsk_prot->slab_name, mask, prot->name);
+ prot->rsk_prot->slab = kmem_cache_create(prot->rsk_prot->slab_name,
prot->rsk_prot->obj_size, 0,
SLAB_HWCACHE_ALIGN, NULL);
@@ -2070,14 +2067,14 @@ int proto_register(struct proto *prot, int alloc_slab)
if (prot->twsk_prot != NULL) {
static const char mask[] = "tw_sock_%s";
- timewait_sock_slab_name = kmalloc(strlen(prot->name) + sizeof(mask) - 1, GFP_KERNEL);
+ prot->twsk_prot->twsk_slab_name = kmalloc(strlen(prot->name) + sizeof(mask) - 1, GFP_KERNEL);
- if (timewait_sock_slab_name == NULL)
+ if (prot->twsk_prot->twsk_slab_name == NULL)
goto out_free_request_sock_slab;
- sprintf(timewait_sock_slab_name, mask, prot->name);
+ sprintf(prot->twsk_prot->twsk_slab_name, mask, prot->name);
prot->twsk_prot->twsk_slab =
- kmem_cache_create(timewait_sock_slab_name,
+ kmem_cache_create(prot->twsk_prot->twsk_slab_name,
prot->twsk_prot->twsk_obj_size,
0, SLAB_HWCACHE_ALIGN,
NULL);
@@ -2093,14 +2090,14 @@ int proto_register(struct proto *prot, int alloc_slab)
return 0;
out_free_timewait_sock_slab_name:
- kfree(timewait_sock_slab_name);
+ kfree(prot->twsk_prot->twsk_slab_name);
out_free_request_sock_slab:
if (prot->rsk_prot && prot->rsk_prot->slab) {
kmem_cache_destroy(prot->rsk_prot->slab);
prot->rsk_prot->slab = NULL;
}
out_free_request_sock_slab_name:
- kfree(request_sock_slab_name);
+ kfree(prot->rsk_prot->slab_name);
out_free_sock_slab:
kmem_cache_destroy(prot->slab);
prot->slab = NULL;
@@ -2123,18 +2120,14 @@ void proto_unregister(struct proto *prot)
}
if (prot->rsk_prot != NULL && prot->rsk_prot->slab != NULL) {
- const char *name = kmem_cache_name(prot->rsk_prot->slab);
-
kmem_cache_destroy(prot->rsk_prot->slab);
- kfree(name);
+ kfree(prot->rsk_prot->slab_name);
prot->rsk_prot->slab = NULL;
}
if (prot->twsk_prot != NULL && prot->twsk_prot->twsk_slab != NULL) {
- const char *name = kmem_cache_name(prot->twsk_prot->twsk_slab);
-
kmem_cache_destroy(prot->twsk_prot->twsk_slab);
- kfree(name);
+ kfree(prot->twsk_prot->twsk_slab_name);
prot->twsk_prot->twsk_slab = NULL;
}
}
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 1fbff5fa4241..1aa2dc9e380e 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1117,6 +1117,7 @@ int inet_sk_rebuild_header(struct sock *sk)
},
},
.proto = sk->sk_protocol,
+ .flags = inet_sk_flowi_flags(sk),
.uli_u = {
.ports = {
.sport = inet->sport,
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index b42e082cc170..25924b1eb2ef 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -1945,13 +1945,14 @@ int __init ip_mr_init(void)
goto proc_cache_fail;
#endif
return 0;
-reg_notif_fail:
- kmem_cache_destroy(mrt_cachep);
#ifdef CONFIG_PROC_FS
-proc_vif_fail:
- unregister_netdevice_notifier(&ip_mr_notifier);
proc_cache_fail:
proc_net_remove(&init_net, "ip_mr_vif");
+proc_vif_fail:
+ unregister_netdevice_notifier(&ip_mr_notifier);
#endif
+reg_notif_fail:
+ del_timer(&ipmr_expire_timer);
+ kmem_cache_destroy(mrt_cachep);
return err;
}
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index ba85d8831893..85b07eba1879 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -722,7 +722,8 @@ static void tcp_queue_skb(struct sock *sk, struct sk_buff *skb)
static void tcp_set_skb_tso_segs(struct sock *sk, struct sk_buff *skb,
unsigned int mss_now)
{
- if (skb->len <= mss_now || !sk_can_gso(sk)) {
+ if (skb->len <= mss_now || !sk_can_gso(sk) ||
+ tcp_urg_mode(tcp_sk(sk))) {
/* Avoid the costly divide in the normal
* non-TSO case.
*/
@@ -1163,7 +1164,9 @@ static int tcp_init_tso_segs(struct sock *sk, struct sk_buff *skb,
{
int tso_segs = tcp_skb_pcount(skb);
- if (!tso_segs || (tso_segs > 1 && tcp_skb_mss(skb) != mss_now)) {
+ if (!tso_segs ||
+ (tso_segs > 1 && (tcp_skb_mss(skb) != mss_now ||
+ tcp_urg_mode(tcp_sk(sk))))) {
tcp_set_skb_tso_segs(sk, skb, mss_now);
tso_segs = tcp_skb_pcount(skb);
}
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index cf02701ced48..98c1fd09be88 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -633,6 +633,7 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
.saddr = saddr,
.tos = tos } },
.proto = sk->sk_protocol,
+ .flags = inet_sk_flowi_flags(sk),
.uli_u = { .ports =
{ .sport = inet->sport,
.dport = dport } } };
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 52a7eb0e2c2c..0524769632e7 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -224,7 +224,7 @@ static struct file_operations ip6mr_vif_fops = {
.open = ip6mr_vif_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = seq_release,
+ .release = seq_release_private,
};
static void *ipmr_mfc_seq_start(struct seq_file *seq, loff_t *pos)
@@ -338,7 +338,7 @@ static struct file_operations ip6mr_mfc_fops = {
.open = ipmr_mfc_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = seq_release,
+ .release = seq_release_private,
};
#endif
diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c
index 07f0b76e7427..97c17fdd6f75 100644
--- a/net/ipv6/proc.c
+++ b/net/ipv6/proc.c
@@ -132,7 +132,7 @@ static struct snmp_mib snmp6_udplite6_list[] = {
static void snmp6_seq_show_icmpv6msg(struct seq_file *seq, void **mib)
{
- static char name[32];
+ char name[32];
int i;
/* print by name -- deprecated items */
@@ -144,7 +144,7 @@ static void snmp6_seq_show_icmpv6msg(struct seq_file *seq, void **mib)
p = icmp6type2name[icmptype];
if (!p) /* don't print un-named types here */
continue;
- (void) snprintf(name, sizeof(name)-1, "Icmp6%s%s",
+ snprintf(name, sizeof(name), "Icmp6%s%s",
i & 0x100 ? "Out" : "In", p);
seq_printf(seq, "%-32s\t%lu\n", name,
snmp_fold_field(mib, i));
@@ -157,7 +157,7 @@ static void snmp6_seq_show_icmpv6msg(struct seq_file *seq, void **mib)
val = snmp_fold_field(mib, i);
if (!val)
continue;
- (void) snprintf(name, sizeof(name)-1, "Icmp6%sType%u",
+ snprintf(name, sizeof(name), "Icmp6%sType%u",
i & 0x100 ? "Out" : "In", i & 0xff);
seq_printf(seq, "%-32s\t%lu\n", name, val);
}
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 14d165f0df75..409bb7716236 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -2560,25 +2560,3 @@ void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local)
ieee80211_restart_sta_timer(sdata);
rcu_read_unlock();
}
-
-/* driver notification call */
-void ieee80211_notify_mac(struct ieee80211_hw *hw,
- enum ieee80211_notification_types notif_type)
-{
- struct ieee80211_local *local = hw_to_local(hw);
- struct ieee80211_sub_if_data *sdata;
-
- switch (notif_type) {
- case IEEE80211_NOTIFY_RE_ASSOC:
- rtnl_lock();
- list_for_each_entry(sdata, &local->interfaces, list) {
- if (sdata->vif.type != NL80211_IFTYPE_STATION)
- continue;
-
- ieee80211_sta_req_auth(sdata, &sdata->u.sta);
- }
- rtnl_unlock();
- break;
- }
-}
-EXPORT_SYMBOL(ieee80211_notify_mac);
diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c
index 742f811ca416..ab4ddba874be 100644
--- a/net/mac80211/wext.c
+++ b/net/mac80211/wext.c
@@ -271,6 +271,7 @@ static int ieee80211_ioctl_siwmode(struct net_device *dev,
__u32 *mode, char *extra)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_local *local = sdata->local;
int type;
if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
@@ -281,6 +282,13 @@ static int ieee80211_ioctl_siwmode(struct net_device *dev,
type = NL80211_IFTYPE_STATION;
break;
case IW_MODE_ADHOC:
+ /* Setting ad-hoc mode on non ibss channel is not
+ * supported.
+ */
+ if (local->oper_channel &&
+ (local->oper_channel->flags & IEEE80211_CHAN_NO_IBSS))
+ return -EOPNOTSUPP;
+
type = NL80211_IFTYPE_ADHOC;
break;
case IW_MODE_REPEAT:
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index 622d7c671cb7..233fdd2d7d21 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -305,9 +305,7 @@ void nf_conntrack_hash_insert(struct nf_conn *ct)
hash = hash_conntrack(&ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple);
repl_hash = hash_conntrack(&ct->tuplehash[IP_CT_DIR_REPLY].tuple);
- spin_lock_bh(&nf_conntrack_lock);
__nf_conntrack_hash_insert(ct, hash, repl_hash);
- spin_unlock_bh(&nf_conntrack_lock);
}
EXPORT_SYMBOL_GPL(nf_conntrack_hash_insert);
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index a040d46f85d6..5f4a6516b3b6 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -1090,7 +1090,7 @@ ctnetlink_create_conntrack(struct nlattr *cda[],
struct nf_conn_help *help;
struct nf_conntrack_helper *helper;
- ct = nf_conntrack_alloc(&init_net, otuple, rtuple, GFP_KERNEL);
+ ct = nf_conntrack_alloc(&init_net, otuple, rtuple, GFP_ATOMIC);
if (ct == NULL || IS_ERR(ct))
return -ENOMEM;
@@ -1138,7 +1138,7 @@ ctnetlink_create_conntrack(struct nlattr *cda[],
}
}
- nf_ct_acct_ext_add(ct, GFP_KERNEL);
+ nf_ct_acct_ext_add(ct, GFP_ATOMIC);
#if defined(CONFIG_NF_CONNTRACK_MARK)
if (cda[CTA_MARK])
@@ -1212,13 +1212,14 @@ ctnetlink_new_conntrack(struct sock *ctnl, struct sk_buff *skb,
atomic_inc(&master_ct->ct_general.use);
}
- spin_unlock_bh(&nf_conntrack_lock);
err = -ENOENT;
if (nlh->nlmsg_flags & NLM_F_CREATE)
err = ctnetlink_create_conntrack(cda,
&otuple,
&rtuple,
master_ct);
+ spin_unlock_bh(&nf_conntrack_lock);
+
if (err < 0 && master_ct)
nf_ct_put(master_ct);
diff --git a/net/phonet/af_phonet.c b/net/phonet/af_phonet.c
index 7ab30f668b5a..9d211f12582b 100644
--- a/net/phonet/af_phonet.c
+++ b/net/phonet/af_phonet.c
@@ -33,9 +33,30 @@
#include <net/phonet/phonet.h>
#include <net/phonet/pn_dev.h>
-static struct net_proto_family phonet_proto_family;
-static struct phonet_protocol *phonet_proto_get(int protocol);
-static inline void phonet_proto_put(struct phonet_protocol *pp);
+/* Transport protocol registration */
+static struct phonet_protocol *proto_tab[PHONET_NPROTO] __read_mostly;
+static DEFINE_SPINLOCK(proto_tab_lock);
+
+static struct phonet_protocol *phonet_proto_get(int protocol)
+{
+ struct phonet_protocol *pp;
+
+ if (protocol >= PHONET_NPROTO)
+ return NULL;
+
+ spin_lock(&proto_tab_lock);
+ pp = proto_tab[protocol];
+ if (pp && !try_module_get(pp->prot->owner))
+ pp = NULL;
+ spin_unlock(&proto_tab_lock);
+
+ return pp;
+}
+
+static inline void phonet_proto_put(struct phonet_protocol *pp)
+{
+ module_put(pp->prot->owner);
+}
/* protocol family functions */
@@ -375,10 +396,6 @@ static struct packet_type phonet_packet_type = {
.func = phonet_rcv,
};
-/* Transport protocol registration */
-static struct phonet_protocol *proto_tab[PHONET_NPROTO] __read_mostly;
-static DEFINE_SPINLOCK(proto_tab_lock);
-
int __init_or_module phonet_proto_register(int protocol,
struct phonet_protocol *pp)
{
@@ -412,27 +429,6 @@ void phonet_proto_unregister(int protocol, struct phonet_protocol *pp)
}
EXPORT_SYMBOL(phonet_proto_unregister);
-static struct phonet_protocol *phonet_proto_get(int protocol)
-{
- struct phonet_protocol *pp;
-
- if (protocol >= PHONET_NPROTO)
- return NULL;
-
- spin_lock(&proto_tab_lock);
- pp = proto_tab[protocol];
- if (pp && !try_module_get(pp->prot->owner))
- pp = NULL;
- spin_unlock(&proto_tab_lock);
-
- return pp;
-}
-
-static inline void phonet_proto_put(struct phonet_protocol *pp)
-{
- module_put(pp->prot->owner);
-}
-
/* Module registration */
static int __init phonet_init(void)
{
diff --git a/net/phonet/pn_dev.c b/net/phonet/pn_dev.c
index 53be9fc82aaa..f93ff8ef47d0 100644
--- a/net/phonet/pn_dev.c
+++ b/net/phonet/pn_dev.c
@@ -115,7 +115,7 @@ int phonet_address_del(struct net_device *dev, u8 addr)
pnd = __phonet_get(dev);
if (!pnd || !test_and_clear_bit(addr >> 2, pnd->addrs))
err = -EADDRNOTAVAIL;
- if (bitmap_empty(pnd->addrs, 64))
+ else if (bitmap_empty(pnd->addrs, 64))
__phonet_device_free(pnd);
spin_unlock_bh(&pndevs.lock);
return err;
diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index d902e2da2782..01392649b462 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -1072,6 +1072,10 @@ static int rose_sendmsg(struct kiocb *iocb, struct socket *sock,
unsigned char *asmptr;
int n, size, qbit = 0;
+ /* ROSE empty frame has no meaning : don't send */
+ if (len == 0)
+ return 0;
+
if (msg->msg_flags & ~(MSG_DONTWAIT|MSG_EOR|MSG_CMSG_COMPAT))
return -EINVAL;
@@ -1265,6 +1269,12 @@ static int rose_recvmsg(struct kiocb *iocb, struct socket *sock,
skb_reset_transport_header(skb);
copied = skb->len;
+ /* ROSE empty frame has no meaning : ignore it */
+ if (copied == 0) {
+ skb_free_datagram(sk, skb);
+ return copied;
+ }
+
if (copied > size) {
copied = size;
msg->msg_flags |= MSG_TRUNC;
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index b16ad2972c6b..6ab4a2f92ca0 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -417,6 +417,8 @@ static int qdisc_dump_stab(struct sk_buff *skb, struct qdisc_size_table *stab)
struct nlattr *nest;
nest = nla_nest_start(skb, TCA_STAB);
+ if (nest == NULL)
+ goto nla_put_failure;
NLA_PUT(skb, TCA_STAB_BASE, sizeof(stab->szopts), &stab->szopts);
nla_nest_end(skb, nest);
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index 93cd30ce6501..cdcd16fcfeda 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -270,6 +270,8 @@ static void dev_watchdog_down(struct net_device *dev)
void netif_carrier_on(struct net_device *dev)
{
if (test_and_clear_bit(__LINK_STATE_NOCARRIER, &dev->state)) {
+ if (dev->reg_state == NETREG_UNINITIALIZED)
+ return;
linkwatch_fire_event(dev);
if (netif_running(dev))
__netdev_watchdog_up(dev);
@@ -285,8 +287,11 @@ EXPORT_SYMBOL(netif_carrier_on);
*/
void netif_carrier_off(struct net_device *dev)
{
- if (!test_and_set_bit(__LINK_STATE_NOCARRIER, &dev->state))
+ if (!test_and_set_bit(__LINK_STATE_NOCARRIER, &dev->state)) {
+ if (dev->reg_state == NETREG_UNINITIALIZED)
+ return;
linkwatch_fire_event(dev);
+ }
}
EXPORT_SYMBOL(netif_carrier_off);
diff --git a/net/socket.c b/net/socket.c
index 62c7729527ff..b7a562e655e9 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -1426,8 +1426,8 @@ asmlinkage long sys_listen(int fd, int backlog)
* clean when we restucture accept also.
*/
-long do_accept(int fd, struct sockaddr __user *upeer_sockaddr,
- int __user *upeer_addrlen, int flags)
+asmlinkage long sys_accept4(int fd, struct sockaddr __user *upeer_sockaddr,
+ int __user *upeer_addrlen, int flags)
{
struct socket *sock, *newsock;
struct file *newfile;
@@ -1510,66 +1510,10 @@ out_fd:
goto out_put;
}
-#if 0
-#ifdef HAVE_SET_RESTORE_SIGMASK
-asmlinkage long sys_paccept(int fd, struct sockaddr __user *upeer_sockaddr,
- int __user *upeer_addrlen,
- const sigset_t __user *sigmask,
- size_t sigsetsize, int flags)
-{
- sigset_t ksigmask, sigsaved;
- int ret;
-
- if (sigmask) {
- /* XXX: Don't preclude handling different sized sigset_t's. */
- if (sigsetsize != sizeof(sigset_t))
- return -EINVAL;
- if (copy_from_user(&ksigmask, sigmask, sizeof(ksigmask)))
- return -EFAULT;
-
- sigdelsetmask(&ksigmask, sigmask(SIGKILL)|sigmask(SIGSTOP));
- sigprocmask(SIG_SETMASK, &ksigmask, &sigsaved);
- }
-
- ret = do_accept(fd, upeer_sockaddr, upeer_addrlen, flags);
-
- if (ret < 0 && signal_pending(current)) {
- /*
- * Don't restore the signal mask yet. Let do_signal() deliver
- * the signal on the way back to userspace, before the signal
- * mask is restored.
- */
- if (sigmask) {
- memcpy(&current->saved_sigmask, &sigsaved,
- sizeof(sigsaved));
- set_restore_sigmask();
- }
- } else if (sigmask)
- sigprocmask(SIG_SETMASK, &sigsaved, NULL);
-
- return ret;
-}
-#else
-asmlinkage long sys_paccept(int fd, struct sockaddr __user *upeer_sockaddr,
- int __user *upeer_addrlen,
- const sigset_t __user *sigmask,
- size_t sigsetsize, int flags)
-{
- /* The platform does not support restoring the signal mask in the
- * return path. So we do not allow using paccept() with a signal
- * mask. */
- if (sigmask)
- return -EINVAL;
-
- return do_accept(fd, upeer_sockaddr, upeer_addrlen, flags);
-}
-#endif
-#endif
-
asmlinkage long sys_accept(int fd, struct sockaddr __user *upeer_sockaddr,
int __user *upeer_addrlen)
{
- return do_accept(fd, upeer_sockaddr, upeer_addrlen, 0);
+ return sys_accept4(fd, upeer_sockaddr, upeer_addrlen, 0);
}
/*
@@ -2096,7 +2040,7 @@ static const unsigned char nargs[19]={
AL(0),AL(3),AL(3),AL(3),AL(2),AL(3),
AL(3),AL(3),AL(4),AL(4),AL(4),AL(6),
AL(6),AL(2),AL(5),AL(5),AL(3),AL(3),
- AL(6)
+ AL(4)
};
#undef AL
@@ -2115,7 +2059,7 @@ asmlinkage long sys_socketcall(int call, unsigned long __user *args)
unsigned long a0, a1;
int err;
- if (call < 1 || call > SYS_PACCEPT)
+ if (call < 1 || call > SYS_ACCEPT4)
return -EINVAL;
/* copy_from_user should be SMP safe. */
@@ -2143,9 +2087,8 @@ asmlinkage long sys_socketcall(int call, unsigned long __user *args)
err = sys_listen(a0, a1);
break;
case SYS_ACCEPT:
- err =
- do_accept(a0, (struct sockaddr __user *)a1,
- (int __user *)a[2], 0);
+ err = sys_accept4(a0, (struct sockaddr __user *)a1,
+ (int __user *)a[2], 0);
break;
case SYS_GETSOCKNAME:
err =
@@ -2192,12 +2135,9 @@ asmlinkage long sys_socketcall(int call, unsigned long __user *args)
case SYS_RECVMSG:
err = sys_recvmsg(a0, (struct msghdr __user *)a1, a[2]);
break;
- case SYS_PACCEPT:
- err =
- sys_paccept(a0, (struct sockaddr __user *)a1,
- (int __user *)a[2],
- (const sigset_t __user *) a[3],
- a[4], a[5]);
+ case SYS_ACCEPT4:
+ err = sys_accept4(a0, (struct sockaddr __user *)a1,
+ (int __user *)a[2], a[3]);
break;
default:
err = -EINVAL;
diff --git a/net/sunrpc/auth_generic.c b/net/sunrpc/auth_generic.c
index 744b79fdcb19..4028502f0528 100644
--- a/net/sunrpc/auth_generic.c
+++ b/net/sunrpc/auth_generic.c
@@ -133,13 +133,29 @@ static int
generic_match(struct auth_cred *acred, struct rpc_cred *cred, int flags)
{
struct generic_cred *gcred = container_of(cred, struct generic_cred, gc_base);
+ int i;
if (gcred->acred.uid != acred->uid ||
gcred->acred.gid != acred->gid ||
- gcred->acred.group_info != acred->group_info ||
gcred->acred.machine_cred != acred->machine_cred)
- return 0;
+ goto out_nomatch;
+
+ /* Optimisation in the case where pointers are identical... */
+ if (gcred->acred.group_info == acred->group_info)
+ goto out_match;
+
+ /* Slow path... */
+ if (gcred->acred.group_info->ngroups != acred->group_info->ngroups)
+ goto out_nomatch;
+ for (i = 0; i < gcred->acred.group_info->ngroups; i++) {
+ if (GROUP_AT(gcred->acred.group_info, i) !=
+ GROUP_AT(acred->group_info, i))
+ goto out_nomatch;
+ }
+out_match:
return 1;
+out_nomatch:
+ return 0;
}
void __init rpc_init_generic_auth(void)
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 95293f549e9c..a1951dcc5776 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -1183,7 +1183,11 @@ int svc_addsock(struct svc_serv *serv,
else if (so->state > SS_UNCONNECTED)
err = -EISCONN;
else {
- svsk = svc_setup_socket(serv, so, &err, SVC_SOCK_DEFAULTS);
+ if (!try_module_get(THIS_MODULE))
+ err = -ENOENT;
+ else
+ svsk = svc_setup_socket(serv, so, &err,
+ SVC_SOCK_DEFAULTS);
if (svsk) {
struct sockaddr_storage addr;
struct sockaddr *sin = (struct sockaddr *)&addr;
@@ -1196,7 +1200,8 @@ int svc_addsock(struct svc_serv *serv,
spin_unlock_bh(&serv->sv_lock);
svc_xprt_received(&svsk->sk_xprt);
err = 0;
- }
+ } else
+ module_put(THIS_MODULE);
}
if (err) {
sockfd_put(so);
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 2775acbca199..b152e2b9b988 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -1342,6 +1342,7 @@ static int unix_dgram_sendmsg(struct kiocb *kiocb, struct socket *sock,
if (NULL == siocb->scm)
siocb->scm = &tmp_scm;
+ wait_for_unix_gc();
err = scm_send(sock, msg, siocb->scm);
if (err < 0)
return err;
@@ -1492,6 +1493,7 @@ static int unix_stream_sendmsg(struct kiocb *kiocb, struct socket *sock,
if (NULL == siocb->scm)
siocb->scm = &tmp_scm;
+ wait_for_unix_gc();
err = scm_send(sock, msg, siocb->scm);
if (err < 0)
return err;
diff --git a/net/unix/garbage.c b/net/unix/garbage.c
index 6d4a9a8de5ef..abb3ab34cb1e 100644
--- a/net/unix/garbage.c
+++ b/net/unix/garbage.c
@@ -80,6 +80,7 @@
#include <linux/file.h>
#include <linux/proc_fs.h>
#include <linux/mutex.h>
+#include <linux/wait.h>
#include <net/sock.h>
#include <net/af_unix.h>
@@ -91,6 +92,7 @@
static LIST_HEAD(gc_inflight_list);
static LIST_HEAD(gc_candidates);
static DEFINE_SPINLOCK(unix_gc_lock);
+static DECLARE_WAIT_QUEUE_HEAD(unix_gc_wait);
unsigned int unix_tot_inflight;
@@ -266,12 +268,16 @@ static void inc_inflight_move_tail(struct unix_sock *u)
list_move_tail(&u->link, &gc_candidates);
}
-/* The external entry point: unix_gc() */
+static bool gc_in_progress = false;
-void unix_gc(void)
+void wait_for_unix_gc(void)
{
- static bool gc_in_progress = false;
+ wait_event(unix_gc_wait, gc_in_progress == false);
+}
+/* The external entry point: unix_gc() */
+void unix_gc(void)
+{
struct unix_sock *u;
struct unix_sock *next;
struct sk_buff_head hitlist;
@@ -376,6 +382,7 @@ void unix_gc(void)
/* All candidates should have been detached by now. */
BUG_ON(!list_empty(&gc_candidates));
gc_in_progress = false;
+ wake_up(&unix_gc_wait);
out:
spin_unlock(&unix_gc_lock);
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 626dbb688499..eb3b1a9f9b12 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -343,9 +343,9 @@ static int ignore_request(struct wiphy *wiphy, enum reg_set_by set_by,
return 0;
return -EALREADY;
}
- if (WARN_ON(!is_alpha2_set(alpha2) || !is_an_alpha2(alpha2)),
+ if (WARN(!is_alpha2_set(alpha2) || !is_an_alpha2(alpha2),
"Invalid Country IE regulatory hint passed "
- "to the wireless core\n")
+ "to the wireless core\n"))
return -EINVAL;
/* We ignore Country IE hints for now, as we haven't yet
* added the dot11MultiDomainCapabilityEnabled flag
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.