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-rw-r--r--net/bridge/br_multicast.c4
-rw-r--r--net/ipv4/af_inet.c2
-rw-r--r--net/ipv4/tcp.c7
-rw-r--r--net/ipv4/tcp_fastopen.c2
-rw-r--r--net/mac80211/key.c13
-rw-r--r--net/packet/af_packet.c18
-rw-r--r--net/rose/af_rose.c3
7 files changed, 25 insertions, 24 deletions
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index ff667e1..761fc73 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -37,6 +37,8 @@
static void br_multicast_start_querier(struct net_bridge *br,
struct bridge_mcast_own_query *query);
+static void br_multicast_add_router(struct net_bridge *br,
+ struct net_bridge_port *port);
unsigned int br_mdb_rehash_seq;
static inline int br_ip_equal(const struct br_ip *a, const struct br_ip *b)
@@ -936,6 +938,8 @@ void br_multicast_enable_port(struct net_bridge_port *port)
#if IS_ENABLED(CONFIG_IPV6)
br_multicast_enable(&port->ip6_own_query);
#endif
+ if (port->multicast_router == 2 && hlist_unhashed(&port->rlist))
+ br_multicast_add_router(br, port);
out:
spin_unlock(&br->multicast_lock);
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 8b47a4d..a5aa54e 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -228,6 +228,8 @@ int inet_listen(struct socket *sock, int backlog)
err = 0;
if (err)
goto out;
+
+ tcp_fastopen_init_key_once(true);
}
err = inet_csk_listen_start(sk, backlog);
if (err)
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index f1377f2..bb2ce74 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2545,10 +2545,13 @@ static int do_tcp_setsockopt(struct sock *sk, int level,
case TCP_FASTOPEN:
if (val >= 0 && ((1 << sk->sk_state) & (TCPF_CLOSE |
- TCPF_LISTEN)))
+ TCPF_LISTEN))) {
+ tcp_fastopen_init_key_once(true);
+
err = fastopen_init_queue(sk, val);
- else
+ } else {
err = -EINVAL;
+ }
break;
case TCP_TIMESTAMP:
if (!tp->repair)
diff --git a/net/ipv4/tcp_fastopen.c b/net/ipv4/tcp_fastopen.c
index 46b087a..f9c0fb8 100644
--- a/net/ipv4/tcp_fastopen.c
+++ b/net/ipv4/tcp_fastopen.c
@@ -78,8 +78,6 @@ static bool __tcp_fastopen_cookie_gen(const void *path,
struct tcp_fastopen_context *ctx;
bool ok = false;
- tcp_fastopen_init_key_once(true);
-
rcu_read_lock();
ctx = rcu_dereference(tcp_fastopen_ctx);
if (ctx) {
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index a907f2d..81e9785 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -66,12 +66,15 @@ update_vlan_tailroom_need_count(struct ieee80211_sub_if_data *sdata, int delta)
if (sdata->vif.type != NL80211_IFTYPE_AP)
return;
- mutex_lock(&sdata->local->mtx);
+ /* crypto_tx_tailroom_needed_cnt is protected by this */
+ assert_key_lock(sdata->local);
+
+ rcu_read_lock();
- list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
+ list_for_each_entry_rcu(vlan, &sdata->u.ap.vlans, u.vlan.list)
vlan->crypto_tx_tailroom_needed_cnt += delta;
- mutex_unlock(&sdata->local->mtx);
+ rcu_read_unlock();
}
static void increment_tailroom_need_count(struct ieee80211_sub_if_data *sdata)
@@ -95,6 +98,8 @@ static void increment_tailroom_need_count(struct ieee80211_sub_if_data *sdata)
* http://mid.gmane.org/1308590980.4322.19.camel@jlt3.sipsolutions.net
*/
+ assert_key_lock(sdata->local);
+
update_vlan_tailroom_need_count(sdata, 1);
if (!sdata->crypto_tx_tailroom_needed_cnt++) {
@@ -109,6 +114,8 @@ static void increment_tailroom_need_count(struct ieee80211_sub_if_data *sdata)
static void decrease_tailroom_need_count(struct ieee80211_sub_if_data *sdata,
int delta)
{
+ assert_key_lock(sdata->local);
+
WARN_ON_ONCE(sdata->crypto_tx_tailroom_needed_cnt < delta);
update_vlan_tailroom_need_count(sdata, -delta);
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 131545a..fe1610d 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -1272,16 +1272,6 @@ static void packet_sock_destruct(struct sock *sk)
sk_refcnt_debug_dec(sk);
}
-static int fanout_rr_next(struct packet_fanout *f, unsigned int num)
-{
- int x = atomic_read(&f->rr_cur) + 1;
-
- if (x >= num)
- x = 0;
-
- return x;
-}
-
static unsigned int fanout_demux_hash(struct packet_fanout *f,
struct sk_buff *skb,
unsigned int num)
@@ -1293,13 +1283,9 @@ static unsigned int fanout_demux_lb(struct packet_fanout *f,
struct sk_buff *skb,
unsigned int num)
{
- int cur, old;
+ unsigned int val = atomic_inc_return(&f->rr_cur);
- cur = atomic_read(&f->rr_cur);
- while ((old = atomic_cmpxchg(&f->rr_cur, cur,
- fanout_rr_next(f, num))) != cur)
- cur = old;
- return cur;
+ return val % num;
}
static unsigned int fanout_demux_cpu(struct packet_fanout *f,
diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index 8ae6030..dd304bc 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -192,7 +192,8 @@ static void rose_kill_by_device(struct net_device *dev)
if (rose->device == dev) {
rose_disconnect(s, ENETUNREACH, ROSE_OUT_OF_ORDER, 0);
- rose->neighbour->use--;
+ if (rose->neighbour)
+ rose->neighbour->use--;
rose->device = NULL;
}
}
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