Quiet clang scan

diff --git a/src/lib/util/dns.c b/src/lib/util/dns.c
index 5f2640e3b977132b54ac8b51e7315bc66685317c..f3b836627aed3f6fc4b9de6b60685f5ef2296aef 100644 (file)
--- a/src/lib/util/dns.c
+++ b/src/lib/util/dns.c
@@ -1270,7 +1270,7 @@ ssize_t fr_dns_label_to_value_box(TALLOC_CTX *ctx, fr_value_box_t *dst,
        p = (uint8_t *) q;
        q += slen;
 
-       while ((current < after) && (*current != 0x00)) {
+       while (current && (current < after) && (*current != 0x00)) {
                /*
                 *      Get how many bytes this label has, and where
                 *      we will go to obtain the next label.