Author: des
Date: Fri Aug 23 10:57:05 2013
New Revision: 254684
URL: http://svnweb.freebsd.org/changeset/base/254684
Log:
Set the back pointer from the prefix to the interface before adding
the prefix to the interface's prefix list. This shouldn't make a
difference, since rtadvd(8) is single-threaded, but I've seen it crash
in delete_prefix() with pfx_rainfo == NULL, and this is the only place
where a prefix can be added to the list with a NULL pfx_rainfo.
MFC after: 3 days
Modified:
head/usr.sbin/rtadvd/config.c
Modified: head/usr.sbin/rtadvd/config.c
==============================================================================
--- head/usr.sbin/rtadvd/config.c Fri Aug 23 08:26:52 2013
(r254683)
+++ head/usr.sbin/rtadvd/config.c Fri Aug 23 10:57:05 2013
(r254684)
@@ -1125,9 +1125,9 @@ add_prefix(struct rainfo *rai, struct in
pfx->pfx_onlinkflg = ipr->ipr_raf_onlink;
pfx->pfx_autoconfflg = ipr->ipr_raf_auto;
pfx->pfx_origin = PREFIX_FROM_DYNAMIC;
+ pfx->pfx_rainfo = rai;
TAILQ_INSERT_TAIL(&rai->rai_prefix, pfx, pfx_next);
- pfx->pfx_rainfo = rai;
syslog(LOG_DEBUG, "<%s> new prefix %s/%d was added on %s",
__func__,
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