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path: root/net/ipv6/inet6_connection_sock.c
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Diffstat (limited to 'net/ipv6/inet6_connection_sock.c')
-rw-r--r--net/ipv6/inet6_connection_sock.c40
1 files changed, 0 insertions, 40 deletions
diff --git a/net/ipv6/inet6_connection_sock.c b/net/ipv6/inet6_connection_sock.c
index 75c308239243..9a31d13bf180 100644
--- a/net/ipv6/inet6_connection_sock.c
+++ b/net/ipv6/inet6_connection_sock.c
@@ -28,46 +28,6 @@
#include <net/inet6_connection_sock.h>
#include <net/sock_reuseport.h>
-int inet6_csk_bind_conflict(const struct sock *sk,
- const struct inet_bind_bucket *tb, bool relax,
- bool reuseport_ok)
-{
- const struct sock *sk2;
- bool reuse = !!sk->sk_reuse;
- bool reuseport = !!sk->sk_reuseport && reuseport_ok;
- kuid_t uid = sock_i_uid((struct sock *)sk);
-
- /* We must walk the whole port owner list in this case. -DaveM */
- /*
- * See comment in inet_csk_bind_conflict about sock lookup
- * vs net namespaces issues.
- */
- sk_for_each_bound(sk2, &tb->owners) {
- if (sk != sk2 &&
- (!sk->sk_bound_dev_if ||
- !sk2->sk_bound_dev_if ||
- sk->sk_bound_dev_if == sk2->sk_bound_dev_if)) {
- if ((!reuse || !sk2->sk_reuse ||
- sk2->sk_state == TCP_LISTEN) &&
- (!reuseport || !sk2->sk_reuseport ||
- rcu_access_pointer(sk->sk_reuseport_cb) ||
- (sk2->sk_state != TCP_TIME_WAIT &&
- !uid_eq(uid,
- sock_i_uid((struct sock *)sk2))))) {
- if (ipv6_rcv_saddr_equal(sk, sk2, true))
- break;
- }
- if (!relax && reuse && sk2->sk_reuse &&
- sk2->sk_state != TCP_LISTEN &&
- ipv6_rcv_saddr_equal(sk, sk2, true))
- break;
- }
- }
-
- return sk2 != NULL;
-}
-EXPORT_SYMBOL_GPL(inet6_csk_bind_conflict);
-
struct dst_entry *inet6_csk_route_req(const struct sock *sk,
struct flowi6 *fl6,
const struct request_sock *req,