Add anti-segv check.

[doldaconnect.git] / daemon / fnet-dc.c

diff --git a/daemon/fnet-dc.c b/daemon/fnet-dc.c
index a74be23642ba2865e1c1d620e328b00c55ed53a2..f7455aece18886d75acf9ae1b3fbd295135767ee 100644 (file)
--- a/daemon/fnet-dc.c
+++ b/daemon/fnet-dc.c
@@ -2848,7 +2848,7 @@ static void udpread(struct socket *sk, void *data)
        {
            for(fn = fnetnodes; fn != NULL; fn = fn->next)
            {
-               if((fn->fnet == &dcnet) && addreq(fn->sk->remote, (struct sockaddr *)&hubaddr))
+               if((fn->fnet == &dcnet) && (fn->sk != NULL) && addreq(fn->sk->remote, (struct sockaddr *)&hubaddr))
                {
                    myfn = fn;
                    break;