[radvd-devel-l] [PATCH] don't run into endless loop

[Ludwig Nussel]

if an interface has multiple prefixes and one as Base6Interface radvd
would run into an endless loop as it takes the wrong value for
prefix->next;
---
 gram.y |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/gram.y b/gram.y
index 1bade1b..6c80f2b 100644
--- a/gram.y
+++ b/gram.y
@@ -399,7 +399,7 @@ prefixdef	: prefixhead optional_prefixplist ';'
 				if ( prefix->if6[0] )
 				{
 					struct ifaddrs *ifap = 0, *ifa = 0;
-					struct AdvPrefix *next = iface->AdvPrefixList;
+					struct AdvPrefix *next = prefix->next;
 
 					if (prefix->PrefixLen != 64) {
 						flog(LOG_ERR, "Only /64 is allowed with Base6Interface.  %s:%d", conf_file, num_lines);
@@ -436,7 +436,6 @@ prefixdef	: prefixhead optional_prefixplist ';'
 						prefix->AdvRouterAddr = 1;
 						prefix->AutoSelected = 1;
 						prefix->next = next;
-						next = prefix;
 
 						if (inet_ntop(ifa->ifa_addr->sa_family, (void *)&(prefix->Prefix), buf, sizeof(buf)) == NULL)
 							flog(LOG_ERR, "%s: inet_ntop failed in %s, line %d!", ifa->ifa_name, conf_file, num_lines);
-- 
1.7.3.4