From: Roy Marples <roy@marples.name>
Date: Fri, 30 Aug 2019 11:20:02 +0000 (+0100)
Subject: Fix a crash for ipv4 only.
X-Git-Tag: v8.0.4~26
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fc02542dfaaa580dce2fe3eaf8565d2d1551f70b;p=thirdparty%2Fdhcpcd.git

Fix a crash for ipv4 only.
---

diff --git a/src/ipv6.c b/src/ipv6.c
index 9ee0039a..c296679b 100644
--- a/src/ipv6.c
+++ b/src/ipv6.c
@@ -2295,6 +2295,9 @@ inet6_raroutes(rb_tree_t *routes, struct dhcpcd_ctx *ctx)
 	struct ra *rap;
 	const struct ipv6_addr *addr;
 
+	if (ctx->ra_routers == NULL)
+		return 0;
+
 	TAILQ_FOREACH(rap, ctx->ra_routers, next) {
 		if (rap->expired)
 			continue;