diff options
Diffstat (limited to 'net/ipv4/udp.c')
| -rw-r--r-- | net/ipv4/udp.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index cf73c9194bb6..f81409921e27 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -115,6 +115,7 @@ #include "udp_impl.h" #include <net/sock_reuseport.h> #include <net/addrconf.h> +#include <net/udp_tunnel.h> struct udp_table udp_table __read_mostly; EXPORT_SYMBOL(udp_table); @@ -2395,11 +2396,15 @@ void udp_destroy_sock(struct sock *sk) bool slow = lock_sock_fast(sk); udp_flush_pending_frames(sk); unlock_sock_fast(sk, slow); - if (static_branch_unlikely(&udp_encap_needed_key) && up->encap_type) { - void (*encap_destroy)(struct sock *sk); - encap_destroy = READ_ONCE(up->encap_destroy); - if (encap_destroy) - encap_destroy(sk); + if (static_branch_unlikely(&udp_encap_needed_key)) { + if (up->encap_type) { + void (*encap_destroy)(struct sock *sk); + encap_destroy = READ_ONCE(up->encap_destroy); + if (encap_destroy) + encap_destroy(sk); + } + if (up->encap_enabled) + static_branch_disable(&udp_encap_needed_key); } } @@ -2444,7 +2449,9 @@ int udp_lib_setsockopt(struct sock *sk, int level, int optname, /* FALLTHROUGH */ case UDP_ENCAP_L2TPINUDP: up->encap_type = val; - udp_encap_enable(); + lock_sock(sk); + udp_tunnel_encap_enable(sk->sk_socket); + release_sock(sk); break; default: err = -ENOPROTOOPT; |