CVS commit: src/sys/netinet6

["Christos Zoulas" <christos%netbsd.org@localhost>]

Module Name:    src
Committed By:   christos
Date:           Fri Feb  3 03:32:45 UTC 2012

Modified Files:
        src/sys/netinet6: nd6.c

Log Message:
PR/45764, PR/45914
Part 1:
nd6_purge can be called after dom_ifdetach, and if_afdata[AF_INET6] is
going to be freed and point to garbage. Make sure we check for NULL, before
taking the pointer offset.
While I am here, add an M_ZERO.


To generate a diff of this commit:
cvs rdiff -u -r1.140 -r1.141 src/sys/netinet6/nd6.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.