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Diffstat (limited to 'net/x25/af_x25.c')
-rw-r--r--net/x25/af_x25.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index f87002792836..9d0328bb30ca 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -497,6 +497,12 @@ static int x25_listen(struct socket *sock, int backlog)
int rc = -EOPNOTSUPP;
lock_sock(sk);
+ if (sock->state != SS_UNCONNECTED) {
+ rc = -EINVAL;
+ release_sock(sk);
+ return rc;
+ }
+
if (sk->sk_state != TCP_LISTEN) {
memset(&x25_sk(sk)->dest_addr, 0, X25_ADDR_LEN);
sk->sk_max_ack_backlog = backlog;
@@ -1797,10 +1803,15 @@ void x25_kill_by_neigh(struct x25_neigh *nb)
write_lock_bh(&x25_list_lock);
- sk_for_each(s, &x25_list)
- if (x25_sk(s)->neighbour == nb)
+ sk_for_each(s, &x25_list) {
+ if (x25_sk(s)->neighbour == nb) {
+ write_unlock_bh(&x25_list_lock);
+ lock_sock(s);
x25_disconnect(s, ENETUNREACH, 0, 0);
-
+ release_sock(s);
+ write_lock_bh(&x25_list_lock);
+ }
+ }
write_unlock_bh(&x25_list_lock);
/* Remove any related forwards */