minor bug fix

[ppp.git] / modules / ppp.c

diff --git a/modules/ppp.c b/modules/ppp.c
index 57bf02a27b2001027436cab1598c2d477f3f6258..f386e5bbc2ac6d2e6a2ed5e165d68880808f15f3 100644 (file)
--- a/modules/ppp.c
+++ b/modules/ppp.c
@@ -24,7 +24,7 @@
  * OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS,
  * OR MODIFICATIONS.
  *
- * $Id: ppp.c,v 1.12 1997/07/14 03:51:15 paulus Exp $
+ * $Id: ppp.c,v 1.13 1997/11/27 06:05:36 paulus Exp $
  */
 
 /*
@@ -1859,7 +1859,7 @@ ip_hard_filter(us, mp, outbound)
     switch (proto)
     {
     case PPP_IP:
-       if ((mp->b_wptr - mp->b_rptr) == PPP_HDRLEN) {
+       if ((mp->b_wptr - mp->b_rptr) == PPP_HDRLEN && mp->b_cont != 0) {
            temp_mp = mp->b_cont;
            len = msgdsize(temp_mp);
            hlen = (len < MAX_IPHDR) ? len : MAX_IPHDR;