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[src/trunk]: src/sys/net Added clear of dns addresses when IPCP is closed



details:   https://anonhg.NetBSD.org/src/rev/c0e8c5a5cede
branches:  trunk
changeset: 379205:c0e8c5a5cede
user:      yamaguchi <yamaguchi%NetBSD.org@localhost>
date:      Wed May 19 02:07:20 2021 +0000

description:
Added clear of dns addresses when IPCP is closed

diffstat:

 sys/net/if_spppsubr.c |  8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diffs (34 lines):

diff -r f288bd64e3ed -r c0e8c5a5cede sys/net/if_spppsubr.c
--- a/sys/net/if_spppsubr.c     Wed May 19 02:02:46 2021 +0000
+++ b/sys/net/if_spppsubr.c     Wed May 19 02:07:20 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_spppsubr.c,v 1.244 2021/05/19 02:02:46 yamaguchi Exp $       */
+/*     $NetBSD: if_spppsubr.c,v 1.245 2021/05/19 02:07:20 yamaguchi Exp $       */
 
 /*
  * Synchronous PPP/Cisco link level subroutines.
@@ -41,7 +41,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_spppsubr.c,v 1.244 2021/05/19 02:02:46 yamaguchi Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_spppsubr.c,v 1.245 2021/05/19 02:07:20 yamaguchi Exp $");
 
 #if defined(_KERNEL_OPT)
 #include "opt_inet.h"
@@ -3662,12 +3662,14 @@ sppp_ipcp_close(struct sppp *sp, void *x
        sppp_close_event(sp, xcp);
 
 #ifdef INET
-       if (sp->ipcp.flags & (IPCP_MYADDR_DYN|IPCP_HISADDR_DYN))
+       if (sp->ipcp.flags & (IPCP_MYADDR_DYN|IPCP_HISADDR_DYN)) {
                /*
                 * Some address was dynamic, clear it again.
                 */
                sppp_clear_ip_addrs(sp);
+       }
 #endif
+       memset(&sp->dns_addrs, 0, sizeof sp->dns_addrs);
 }
 
 /*



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