X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?a=blobdiff_plain;f=tun.c;h=efcf6b6e90e4b9b7dfa5e335df5f8595e5234e03;hb=refs%2Ftags%2Fv0.1.6;hp=01c0cb8960f942d505ccf8d3bc3d1fd077d2717d;hpb=b2a56f7c93d221607864761c590952b9a614dc9f;p=secnet.git

diff --git a/tun.c b/tun.c
index 01c0cb8..efcf6b6 100644
--- a/tun.c
+++ b/tun.c
@@ -48,6 +48,7 @@ static void tun_afterpoll(void *sst, struct pollfd *fds, int nfds,
     struct tun *st=sst;
     int l;
 
+    if (nfds==0) return;
     if (fds[0].revents&POLLERR) {
 	printf("tun_afterpoll: hup!\n");
     }