Author: hrs
Date: Thu Oct 10 09:43:15 2013
New Revision: 256258
URL: http://svnweb.freebsd.org/changeset/base/256258
Log:
Do not try to detach if the interface does not support IPv6.
Tested by: hselasky
PR: usb/182820
Approved by: re (glebius)
Modified:
head/sys/netinet6/in6_ifattach.c
Modified: head/sys/netinet6/in6_ifattach.c
==============================================================================
--- head/sys/netinet6/in6_ifattach.c Thu Oct 10 09:42:41 2013
(r256257)
+++ head/sys/netinet6/in6_ifattach.c Thu Oct 10 09:43:15 2013
(r256258)
@@ -809,6 +809,9 @@ in6_ifdetach(struct ifnet *ifp)
struct sockaddr_in6 sin6;
struct in6_multi_mship *imm;
+ if (ifp->if_afdata[AF_INET6] == NULL)
+ return;
+
/* remove neighbor management table */
nd6_purge(ifp);
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