X-Git-Url: https://git.decadent.org.uk/gitweb/?p=odhcp6c.git;a=blobdiff_plain;f=src%2Fdhcpv6.c;h=3f5bc83094d6589ce2dc509d77f0989ab0ac73c2;hp=9742c39dd4316cf1c750246d19ef43319d6ec2b1;hb=7a0a5a7a6378b958f1dde4841504401d9bc0273c;hpb=b5c20853fcbc081ad950ef2083a4f5c31d6ecb54

diff --git a/src/dhcpv6.c b/src/dhcpv6.c
index 9742c39..3f5bc83 100644
--- a/src/dhcpv6.c
+++ b/src/dhcpv6.c
@@ -567,6 +567,13 @@ static int dhcpv6_handle_advert(enum dhcpv6_msg orig,
 	struct dhcpv6_server_cand cand = {false, false, 0, 0, {0}, NULL, NULL, 0, 0};
 
 	dhcpv6_for_each_option(opt, end, otype, olen, odata) {
+		if (orig == DHCPV6_MSG_SOLICIT &&
+				(otype == DHCPV6_OPT_IA_PD || otype == DHCPV6_OPT_IA_NA) &&
+				olen > sizeof(struct dhcpv6_ia_hdr)) {
+			struct dhcpv6_ia_hdr *ia_hdr = (void*)(&odata[-4]);
+			dhcpv6_parse_ia(&ia_hdr[1], odata + olen);
+		}
+
 		if (otype == DHCPV6_OPT_SERVERID && olen <= 130) {
 			memcpy(cand.duid, odata, olen);
 			cand.duid_len = olen;
@@ -598,13 +605,6 @@ static int dhcpv6_handle_advert(enum dhcpv6_msg orig,
 					cand.preference -= 2000;
 			}
 		}
-
-		if (orig == DHCPV6_MSG_SOLICIT &&
-				(otype == DHCPV6_OPT_IA_PD || otype == DHCPV6_OPT_IA_NA) &&
-				olen > sizeof(struct dhcpv6_ia_hdr)) {
-			struct dhcpv6_ia_hdr *ia_hdr = (void*)(&odata[-4]);
-			dhcpv6_parse_ia(&ia_hdr[1], odata + olen);
-		}
 	}
 
 	if (cand.duid_len > 0) {