diff options
Diffstat (limited to 'net/core/sock.c')
| -rw-r--r-- | net/core/sock.c | 39 |
1 files changed, 28 insertions, 11 deletions
diff --git a/net/core/sock.c b/net/core/sock.c index 3e81fd2e3c75..b2e14c07d920 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -111,11 +111,10 @@ #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> -#include <asm/system.h> #include <linux/netdevice.h> #include <net/protocol.h> @@ -160,19 +159,19 @@ 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 +183,7 @@ 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); /* @@ -793,6 +792,17 @@ set_rcvbuf: sock_valbool_flag(sk, SOCK_WIFI_STATUS, valbool); break; + case SO_PEEK_OFF: + if (sock->ops->set_peek_off) + sock->ops->set_peek_off(sk, val); + else + ret = -EOPNOTSUPP; + break; + + case SO_NOFCS: + sock_valbool_flag(sk, SOCK_NOFCS, valbool); + break; + default: ret = -ENOPROTOOPT; break; @@ -1018,6 +1028,15 @@ int sock_getsockopt(struct socket *sock, int level, int optname, v.val = !!sock_flag(sk, SOCK_WIFI_STATUS); break; + case SO_PEEK_OFF: + if (!sock->ops->set_peek_off) + return -EOPNOTSUPP; + + v.val = sk->sk_peek_off; + break; + case SO_NOFCS: + v.val = !!sock_flag(sk, SOCK_NOFCS); + break; default: return -ENOPROTOOPT; } @@ -1171,13 +1190,10 @@ EXPORT_SYMBOL(sock_update_classid); void sock_update_netprioidx(struct sock *sk) { - struct cgroup_netprio_state *state; if (in_interrupt()) return; - rcu_read_lock(); - state = task_netprio_state(current); - sk->sk_cgrp_prioidx = state ? state->prioidx : 0; - rcu_read_unlock(); + + sk->sk_cgrp_prioidx = task_netprioidx(current); } EXPORT_SYMBOL_GPL(sock_update_netprioidx); #endif @@ -2095,6 +2111,7 @@ void sock_init_data(struct socket *sock, struct sock *sk) sk->sk_sndmsg_page = NULL; sk->sk_sndmsg_off = 0; + sk->sk_peek_off = -1; sk->sk_peer_pid = NULL; sk->sk_peer_cred = NULL; |