diff options
| -rw-r--r-- | net/x25/af_x25.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c index aa567b09ea9a..5f03e4ea65bf 100644 --- a/net/x25/af_x25.c +++ b/net/x25/af_x25.c @@ -295,7 +295,8 @@ static struct sock *x25_find_listener(struct x25_address *addr, * Found a listening socket, now check the incoming * call user data vs this sockets call user data */ - if(skb->len > 0 && x25_sk(s)->cudmatchlength > 0) { + if (x25_sk(s)->cudmatchlength > 0 && + skb->len >= x25_sk(s)->cudmatchlength) { if((memcmp(x25_sk(s)->calluserdata.cuddata, skb->data, x25_sk(s)->cudmatchlength)) == 0) { |