use correct rtmsg member in sizeof()

OK miod@

diff --git a/usr.sbin/pppd/sys-bsd.c b/usr.sbin/pppd/sys-bsd.c
index bac8dab..8827aab 100644 (file)
--- a/usr.sbin/pppd/sys-bsd.c
+++ b/usr.sbin/pppd/sys-bsd.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: sys-bsd.c,v 1.32 2021/10/24 21:24:19 deraadt Exp $    */
+/*     $OpenBSD: sys-bsd.c,v 1.33 2024/02/19 16:39:03 denis Exp $      */
 
 /*
  * sys-bsd.c - System-dependent procedures for setting up
@@ -1123,7 +1123,7 @@ dodefaultroute(g, cmd)
     rtmsg.gway.sin_len = sizeof(rtmsg.gway);
     rtmsg.gway.sin_family = AF_INET;
     rtmsg.gway.sin_addr.s_addr = g;
-    rtmsg.mask.sin_len = sizeof(rtmsg.dst);
+    rtmsg.mask.sin_len = sizeof(rtmsg.mask);
     rtmsg.mask.sin_family = AF_INET;
 
     rtmsg.hdr.rtm_msglen = sizeof(rtmsg);