summaryrefslogtreecommitdiffstats
path: root/net
diff options
context:
space:
mode:
Diffstat (limited to 'net')
-rw-r--r--net/bluetooth/rfcomm/tty.c1
-rw-r--r--net/core/dev.c24
-rw-r--r--net/core/net-sysfs.c4
-rw-r--r--net/core/netprio_cgroup.c10
-rw-r--r--net/core/sock.c10
-rw-r--r--net/core/sysctl_net_core.c4
-rw-r--r--net/ipv4/cipso_ipv4.c11
-rw-r--r--net/ipv4/ip_sockglue.c7
-rw-r--r--net/ipv4/tcp_memcontrol.c8
-rw-r--r--net/irda/ircomm/ircomm_tty.c7
-rw-r--r--net/mac80211/mesh_pathtbl.c8
-rw-r--r--net/netfilter/core.c6
-rw-r--r--net/sched/cls_cgroup.c10
13 files changed, 42 insertions, 68 deletions
diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c
index c179734f143f..4bf54b377255 100644
--- a/net/bluetooth/rfcomm/tty.c
+++ b/net/bluetooth/rfcomm/tty.c
@@ -1157,7 +1157,6 @@ int __init rfcomm_init_ttys(void)
if (!rfcomm_tty_driver)
return -ENOMEM;
- rfcomm_tty_driver->owner = THIS_MODULE;
rfcomm_tty_driver->driver_name = "rfcomm";
rfcomm_tty_driver->name = "rfcomm";
rfcomm_tty_driver->major = RFCOMM_TTY_MAJOR;
diff --git a/net/core/dev.c b/net/core/dev.c
index 0090809af7bd..0f3eb7d79a2d 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -134,7 +134,7 @@
#include <linux/inetdevice.h>
#include <linux/cpu_rmap.h>
#include <linux/net_tstamp.h>
-#include <linux/jump_label.h>
+#include <linux/static_key.h>
#include <net/flow_keys.h>
#include "net-sysfs.h"
@@ -1439,11 +1439,11 @@ int call_netdevice_notifiers(unsigned long val, struct net_device *dev)
}
EXPORT_SYMBOL(call_netdevice_notifiers);
-static struct jump_label_key netstamp_needed __read_mostly;
+static struct static_key netstamp_needed __read_mostly;
#ifdef HAVE_JUMP_LABEL
-/* We are not allowed to call jump_label_dec() from irq context
+/* We are not allowed to call static_key_slow_dec() from irq context
* If net_disable_timestamp() is called from irq context, defer the
- * jump_label_dec() calls.
+ * static_key_slow_dec() calls.
*/
static atomic_t netstamp_needed_deferred;
#endif
@@ -1455,12 +1455,12 @@ void net_enable_timestamp(void)
if (deferred) {
while (--deferred)
- jump_label_dec(&netstamp_needed);
+ static_key_slow_dec(&netstamp_needed);
return;
}
#endif
WARN_ON(in_interrupt());
- jump_label_inc(&netstamp_needed);
+ static_key_slow_inc(&netstamp_needed);
}
EXPORT_SYMBOL(net_enable_timestamp);
@@ -1472,19 +1472,19 @@ void net_disable_timestamp(void)
return;
}
#endif
- jump_label_dec(&netstamp_needed);
+ static_key_slow_dec(&netstamp_needed);
}
EXPORT_SYMBOL(net_disable_timestamp);
static inline void net_timestamp_set(struct sk_buff *skb)
{
skb->tstamp.tv64 = 0;
- if (static_branch(&netstamp_needed))
+ if (static_key_false(&netstamp_needed))
__net_timestamp(skb);
}
#define net_timestamp_check(COND, SKB) \
- if (static_branch(&netstamp_needed)) { \
+ if (static_key_false(&netstamp_needed)) { \
if ((COND) && !(SKB)->tstamp.tv64) \
__net_timestamp(SKB); \
} \
@@ -2651,7 +2651,7 @@ EXPORT_SYMBOL(__skb_get_rxhash);
struct rps_sock_flow_table __rcu *rps_sock_flow_table __read_mostly;
EXPORT_SYMBOL(rps_sock_flow_table);
-struct jump_label_key rps_needed __read_mostly;
+struct static_key rps_needed __read_mostly;
static struct rps_dev_flow *
set_rps_cpu(struct net_device *dev, struct sk_buff *skb,
@@ -2936,7 +2936,7 @@ int netif_rx(struct sk_buff *skb)
trace_netif_rx(skb);
#ifdef CONFIG_RPS
- if (static_branch(&rps_needed)) {
+ if (static_key_false(&rps_needed)) {
struct rps_dev_flow voidflow, *rflow = &voidflow;
int cpu;
@@ -3300,7 +3300,7 @@ int netif_receive_skb(struct sk_buff *skb)
return NET_RX_SUCCESS;
#ifdef CONFIG_RPS
- if (static_branch(&rps_needed)) {
+ if (static_key_false(&rps_needed)) {
struct rps_dev_flow voidflow, *rflow = &voidflow;
int cpu, ret;
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index a1727cda03d7..495586232aa1 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -608,10 +608,10 @@ static ssize_t store_rps_map(struct netdev_rx_queue *queue,
spin_unlock(&rps_map_lock);
if (map)
- jump_label_inc(&rps_needed);
+ static_key_slow_inc(&rps_needed);
if (old_map) {
kfree_rcu(old_map, rcu);
- jump_label_dec(&rps_needed);
+ static_key_slow_dec(&rps_needed);
}
free_cpumask_var(mask);
return len;
diff --git a/net/core/netprio_cgroup.c b/net/core/netprio_cgroup.c
index 4dacc44637ef..ba6900f73900 100644
--- a/net/core/netprio_cgroup.c
+++ b/net/core/netprio_cgroup.c
@@ -23,9 +23,8 @@
#include <net/sock.h>
#include <net/netprio_cgroup.h>
-static struct cgroup_subsys_state *cgrp_create(struct cgroup_subsys *ss,
- struct cgroup *cgrp);
-static void cgrp_destroy(struct cgroup_subsys *ss, struct cgroup *cgrp);
+static struct cgroup_subsys_state *cgrp_create(struct cgroup *cgrp);
+static void cgrp_destroy(struct cgroup *cgrp);
static int cgrp_populate(struct cgroup_subsys *ss, struct cgroup *cgrp);
struct cgroup_subsys net_prio_subsys = {
@@ -121,8 +120,7 @@ static void update_netdev_tables(void)
rtnl_unlock();
}
-static struct cgroup_subsys_state *cgrp_create(struct cgroup_subsys *ss,
- struct cgroup *cgrp)
+static struct cgroup_subsys_state *cgrp_create(struct cgroup *cgrp)
{
struct cgroup_netprio_state *cs;
int ret;
@@ -146,7 +144,7 @@ static struct cgroup_subsys_state *cgrp_create(struct cgroup_subsys *ss,
return &cs->css;
}
-static void cgrp_destroy(struct cgroup_subsys *ss, struct cgroup *cgrp)
+static void cgrp_destroy(struct cgroup *cgrp)
{
struct cgroup_netprio_state *cs;
struct net_device *dev;
diff --git a/net/core/sock.c b/net/core/sock.c
index 216719cb5c7f..9be6d0d6c533 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -111,7 +111,7 @@
#include <linux/init.h>
#include <linux/highmem.h>
#include <linux/user_namespace.h>
-#include <linux/jump_label.h>
+#include <linux/static_key.h>
#include <linux/memcontrol.h>
#include <asm/uaccess.h>
@@ -160,19 +160,19 @@ int mem_cgroup_sockets_init(struct cgroup *cgrp, struct cgroup_subsys *ss)
out:
list_for_each_entry_continue_reverse(proto, &proto_list, node)
if (proto->destroy_cgroup)
- proto->destroy_cgroup(cgrp, ss);
+ proto->destroy_cgroup(cgrp);
mutex_unlock(&proto_list_mutex);
return ret;
}
-void mem_cgroup_sockets_destroy(struct cgroup *cgrp, struct cgroup_subsys *ss)
+void mem_cgroup_sockets_destroy(struct cgroup *cgrp)
{
struct proto *proto;
mutex_lock(&proto_list_mutex);
list_for_each_entry_reverse(proto, &proto_list, node)
if (proto->destroy_cgroup)
- proto->destroy_cgroup(cgrp, ss);
+ proto->destroy_cgroup(cgrp);
mutex_unlock(&proto_list_mutex);
}
#endif
@@ -184,7 +184,7 @@ void mem_cgroup_sockets_destroy(struct cgroup *cgrp, struct cgroup_subsys *ss)
static struct lock_class_key af_family_keys[AF_MAX];
static struct lock_class_key af_family_slock_keys[AF_MAX];
-struct jump_label_key memcg_socket_limit_enabled;
+struct static_key memcg_socket_limit_enabled;
EXPORT_SYMBOL(memcg_socket_limit_enabled);
/*
diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c
index d05559d4d9cd..0c2850874254 100644
--- a/net/core/sysctl_net_core.c
+++ b/net/core/sysctl_net_core.c
@@ -69,9 +69,9 @@ static int rps_sock_flow_sysctl(ctl_table *table, int write,
if (sock_table != orig_sock_table) {
rcu_assign_pointer(rps_sock_flow_table, sock_table);
if (sock_table)
- jump_label_inc(&rps_needed);
+ static_key_slow_inc(&rps_needed);
if (orig_sock_table) {
- jump_label_dec(&rps_needed);
+ static_key_slow_dec(&rps_needed);
synchronize_rcu();
vfree(orig_sock_table);
}
diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c
index 86f3b885b4f3..c48adc565e92 100644
--- a/net/ipv4/cipso_ipv4.c
+++ b/net/ipv4/cipso_ipv4.c
@@ -1857,11 +1857,6 @@ static int cipso_v4_genopt(unsigned char *buf, u32 buf_len,
return CIPSO_V4_HDR_LEN + ret_val;
}
-static void opt_kfree_rcu(struct rcu_head *head)
-{
- kfree(container_of(head, struct ip_options_rcu, rcu));
-}
-
/**
* cipso_v4_sock_setattr - Add a CIPSO option to a socket
* @sk: the socket
@@ -1938,7 +1933,7 @@ int cipso_v4_sock_setattr(struct sock *sk,
}
rcu_assign_pointer(sk_inet->inet_opt, opt);
if (old)
- call_rcu(&old->rcu, opt_kfree_rcu);
+ kfree_rcu(old, rcu);
return 0;
@@ -2005,7 +2000,7 @@ int cipso_v4_req_setattr(struct request_sock *req,
req_inet = inet_rsk(req);
opt = xchg(&req_inet->opt, opt);
if (opt)
- call_rcu(&opt->rcu, opt_kfree_rcu);
+ kfree_rcu(opt, rcu);
return 0;
@@ -2075,7 +2070,7 @@ static int cipso_v4_delopt(struct ip_options_rcu **opt_ptr)
* remove the entire option struct */
*opt_ptr = NULL;
hdr_delta = opt->opt.optlen;
- call_rcu(&opt->rcu, opt_kfree_rcu);
+ kfree_rcu(opt, rcu);
}
return hdr_delta;
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index ca50d9f9f8c1..2fd0fba77124 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -445,11 +445,6 @@ out:
}
-static void opt_kfree_rcu(struct rcu_head *head)
-{
- kfree(container_of(head, struct ip_options_rcu, rcu));
-}
-
/*
* Socket option code for IP. This is the end of the line after any
* TCP,UDP etc options on an IP socket.
@@ -526,7 +521,7 @@ static int do_ip_setsockopt(struct sock *sk, int level,
}
rcu_assign_pointer(inet->inet_opt, opt);
if (old)
- call_rcu(&old->rcu, opt_kfree_rcu);
+ kfree_rcu(old, rcu);
break;
}
case IP_PKTINFO:
diff --git a/net/ipv4/tcp_memcontrol.c b/net/ipv4/tcp_memcontrol.c
index 49978788a9dc..e795272fbe9e 100644
--- a/net/ipv4/tcp_memcontrol.c
+++ b/net/ipv4/tcp_memcontrol.c
@@ -94,7 +94,7 @@ create_files:
}
EXPORT_SYMBOL(tcp_init_cgroup);
-void tcp_destroy_cgroup(struct cgroup *cgrp, struct cgroup_subsys *ss)
+void tcp_destroy_cgroup(struct cgroup *cgrp)
{
struct mem_cgroup *memcg = mem_cgroup_from_cont(cgrp);
struct cg_proto *cg_proto;
@@ -111,7 +111,7 @@ void tcp_destroy_cgroup(struct cgroup *cgrp, struct cgroup_subsys *ss)
val = res_counter_read_u64(&tcp->tcp_memory_allocated, RES_LIMIT);
if (val != RESOURCE_MAX)
- jump_label_dec(&memcg_socket_limit_enabled);
+ static_key_slow_dec(&memcg_socket_limit_enabled);
}
EXPORT_SYMBOL(tcp_destroy_cgroup);
@@ -143,9 +143,9 @@ static int tcp_update_limit(struct mem_cgroup *memcg, u64 val)
net->ipv4.sysctl_tcp_mem[i]);
if (val == RESOURCE_MAX && old_lim != RESOURCE_MAX)
- jump_label_dec(&memcg_socket_limit_enabled);
+ static_key_slow_dec(&memcg_socket_limit_enabled);
else if (old_lim == RESOURCE_MAX && val != RESOURCE_MAX)
- jump_label_inc(&memcg_socket_limit_enabled);
+ static_key_slow_inc(&memcg_socket_limit_enabled);
return 0;
}
diff --git a/net/irda/ircomm/ircomm_tty.c b/net/irda/ircomm/ircomm_tty.c
index 253695d43fd9..6b9d5a0e42f9 100644
--- a/net/irda/ircomm/ircomm_tty.c
+++ b/net/irda/ircomm/ircomm_tty.c
@@ -122,7 +122,6 @@ static int __init ircomm_tty_init(void)
return -ENOMEM;
}
- driver->owner = THIS_MODULE;
driver->driver_name = "ircomm";
driver->name = "ircomm";
driver->major = IRCOMM_TTY_MAJOR;
@@ -366,16 +365,12 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self,
static int ircomm_tty_open(struct tty_struct *tty, struct file *filp)
{
struct ircomm_tty_cb *self;
- unsigned int line;
+ unsigned int line = tty->index;
unsigned long flags;
int ret;
IRDA_DEBUG(2, "%s()\n", __func__ );
- line = tty->index;
- if (line >= IRCOMM_TTY_PORTS)
- return -ENODEV;
-
/* Check if instance already exists */
self = hashbin_lock_find(ircomm_tty, line, NULL);
if (!self) {
diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c
index be1361b5f7ad..49aaefd99635 100644
--- a/net/mac80211/mesh_pathtbl.c
+++ b/net/mac80211/mesh_pathtbl.c
@@ -413,12 +413,6 @@ struct mesh_path *mesh_path_lookup_by_idx(int idx, struct ieee80211_sub_if_data
return NULL;
}
-static void mesh_gate_node_reclaim(struct rcu_head *rp)
-{
- struct mpath_node *node = container_of(rp, struct mpath_node, rcu);
- kfree(node);
-}
-
/**
* mesh_path_add_gate - add the given mpath to a mesh gate to our path table
* @mpath: gate path to add to table
@@ -479,7 +473,7 @@ static int mesh_gate_del(struct mesh_table *tbl, struct mesh_path *mpath)
if (gate->mpath == mpath) {
spin_lock_bh(&tbl->gates_lock);
hlist_del_rcu(&gate->list);
- call_rcu(&gate->rcu, mesh_gate_node_reclaim);
+ kfree_rcu(gate, rcu);
spin_unlock_bh(&tbl->gates_lock);
mpath->sdata->u.mesh.num_gates--;
mpath->is_gate = false;
diff --git a/net/netfilter/core.c b/net/netfilter/core.c
index b4e8ff05b301..e1b7e051332e 100644
--- a/net/netfilter/core.c
+++ b/net/netfilter/core.c
@@ -56,7 +56,7 @@ struct list_head nf_hooks[NFPROTO_NUMPROTO][NF_MAX_HOOKS] __read_mostly;
EXPORT_SYMBOL(nf_hooks);
#if defined(CONFIG_JUMP_LABEL)
-struct jump_label_key nf_hooks_needed[NFPROTO_NUMPROTO][NF_MAX_HOOKS];
+struct static_key nf_hooks_needed[NFPROTO_NUMPROTO][NF_MAX_HOOKS];
EXPORT_SYMBOL(nf_hooks_needed);
#endif
@@ -77,7 +77,7 @@ int nf_register_hook(struct nf_hook_ops *reg)
list_add_rcu(&reg->list, elem->list.prev);
mutex_unlock(&nf_hook_mutex);
#if defined(CONFIG_JUMP_LABEL)
- jump_label_inc(&nf_hooks_needed[reg->pf][reg->hooknum]);
+ static_key_slow_inc(&nf_hooks_needed[reg->pf][reg->hooknum]);
#endif
return 0;
}
@@ -89,7 +89,7 @@ void nf_unregister_hook(struct nf_hook_ops *reg)
list_del_rcu(&reg->list);
mutex_unlock(&nf_hook_mutex);
#if defined(CONFIG_JUMP_LABEL)
- jump_label_dec(&nf_hooks_needed[reg->pf][reg->hooknum]);
+ static_key_slow_dec(&nf_hooks_needed[reg->pf][reg->hooknum]);
#endif
synchronize_net();
}
diff --git a/net/sched/cls_cgroup.c b/net/sched/cls_cgroup.c
index f84fdc3a7f27..1afaa284fcd7 100644
--- a/net/sched/cls_cgroup.c
+++ b/net/sched/cls_cgroup.c
@@ -22,9 +22,8 @@
#include <net/sock.h>
#include <net/cls_cgroup.h>
-static struct cgroup_subsys_state *cgrp_create(struct cgroup_subsys *ss,
- struct cgroup *cgrp);
-static void cgrp_destroy(struct cgroup_subsys *ss, struct cgroup *cgrp);
+static struct cgroup_subsys_state *cgrp_create(struct cgroup *cgrp);
+static void cgrp_destroy(struct cgroup *cgrp);
static int cgrp_populate(struct cgroup_subsys *ss, struct cgroup *cgrp);
struct cgroup_subsys net_cls_subsys = {
@@ -51,8 +50,7 @@ static inline struct cgroup_cls_state *task_cls_state(struct task_struct *p)
struct cgroup_cls_state, css);
}
-static struct cgroup_subsys_state *cgrp_create(struct cgroup_subsys *ss,
- struct cgroup *cgrp)
+static struct cgroup_subsys_state *cgrp_create(struct cgroup *cgrp)
{
struct cgroup_cls_state *cs;
@@ -66,7 +64,7 @@ static struct cgroup_subsys_state *cgrp_create(struct cgroup_subsys *ss,
return &cs->css;
}
-static void cgrp_destroy(struct cgroup_subsys *ss, struct cgroup *cgrp)
+static void cgrp_destroy(struct cgroup *cgrp)
{
kfree(cgrp_cls_state(cgrp));
}