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Diffstat (limited to 'net')
-rw-r--r--net/bridge/br_netfilter.c13
-rw-r--r--net/core/skbuff.c2
-rw-r--r--net/core/sock.c31
-rw-r--r--net/ipv4/tcp_output.c7
-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/pn_dev.c2
-rw-r--r--net/rose/af_rose.c10
-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
13 files changed, 75 insertions, 35 deletions
diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index fa5cda4e552..45f61c348e3 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/core/skbuff.c b/net/core/skbuff.c
index d49ef8301b5..65f7757465b 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 341e3945695..edf7220889a 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/tcp_output.c b/net/ipv4/tcp_output.c
index ba85d883189..85b07eba187 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/mac80211/wext.c b/net/mac80211/wext.c
index 742f811ca41..ab4ddba874b 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 622d7c671cb..233fdd2d7d2 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 a040d46f85d..5f4a6516b3b 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/pn_dev.c b/net/phonet/pn_dev.c
index 53be9fc82aa..f93ff8ef47d 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 a7f1ce11bc2..0c1cc761280 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/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 95293f549e9..a1951dcc577 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 eb90f77bb0e..66d5ac4773a 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -1343,6 +1343,7 @@ 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;
@@ -1493,6 +1494,7 @@ 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 6d4a9a8de5e..abb3ab34cb1 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 626dbb68849..eb3b1a9f9b1 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
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-03 08:29:12 +0000