[v9_8] use correct length

diff --git a/lib/dns/rdata/generic/caa_257.c b/lib/dns/rdata/generic/caa_257.c
index 36f44f7477415c905987eda9d0b171d314f7a6d1..835a23e6bcfce8fa71f329dc4bb982b47c1bd4ad 100644 (file)
--- a/lib/dns/rdata/generic/caa_257.c
+++ b/lib/dns/rdata/generic/caa_257.c
@@ -154,7 +154,7 @@ fromwire_caa(ARGS_FROMWIRE) {
                RETERR(DNS_R_FORMERR);
 
        /* Tag */
-       for (i = 0; i < sr.length; i++)
+       for (i = 0; i < len; i++)
                if (!alphanumeric[sr.base[i]])
                        RETERR(DNS_R_FORMERR);
        RETERR(mem_tobuffer(target, sr.base, len));