just use fr_dbuff_used(). CID #1642920

diff --git a/src/protocols/der/encode.c b/src/protocols/der/encode.c
index 792730ffa11fc21f52d07500b67e1783f196701a..ca316e66fbe38cebd31304d72418f50e75c6ac9d 100644 (file)
--- a/src/protocols/der/encode.c
+++ b/src/protocols/der/encode.c
@@ -1153,8 +1153,7 @@ static ssize_t fr_der_encode_X509_extensions(fr_dbuff_t *dbuff, fr_dcursor_t *cu
        fr_dbuff_marker(&outer_seq_len_start, &our_dbuff);
        FR_DBUFF_ADVANCE_RETURN(&our_dbuff, 1);
 
-       FR_PROTO_HEX_DUMP(fr_dbuff_start(&our_dbuff), fr_dbuff_behind(&outer_seq_len_start) - 1,
-                         "BEFORE encoded X509 extension");
+       FR_PROTO_HEX_DUMP(fr_dbuff_start(&our_dbuff), fr_dbuff_used(&our_dbuff),"BEFORE encoded X509 extension");
 
        fr_pair_dcursor_child_iter_init(&root_cursor, &vp->children, cursor);
        fr_dcursor_copy(&parent_cursor, &root_cursor);