--- nmap-4.65/tcpip.cc

+++ nmap-4.65/tcpip.cc

@@ -2924,8 +2924,8 @@ struct sys_route *getsysroutes(int *howmany) {

     ifaces = getinterfaces(&numifaces);

     /* First let us try Linux-style /proc/net/route */

     routefp = fopen("/proc/net/route", "r");

-    if (routefp) {

-      (void) fgets(buf, sizeof(buf), routefp); /* Kill the first line (column headers) */

+    /* Kill the first line (column headers) */

+    if (routefp && fgets(buf, sizeof(buf), routefp)) {

       while(fgets(buf,sizeof(buf), routefp)) {

 	p = strtok(buf, " \t\n");

 	if (!p) {