check for data being null

diff --git a/lib/dns/tests/rbt_test.c b/lib/dns/tests/rbt_test.c
index f3099ca3d33b541c6d48f4a0ec904c0db5fb583b..d74c502e0ce576dbc9b3f9b64c7b469fb201118a 100644 (file)
--- a/lib/dns/tests/rbt_test.c
+++ b/lib/dns/tests/rbt_test.c
@@ -150,7 +150,11 @@ fix_data(dns_rbtnode_t *p, void *base, size_t max, isc_sha1_t *sha1) {
        REQUIRE(sha1 != NULL);
        REQUIRE(p != NULL);
 
-       printf("fixing data: len %d, data %p\n", data->len, data->data);
+
+       if (data == NULL)
+               printf("fixing data: data NULL\n");
+       else
+               printf("fixing data: len %d, data %p\n", data->len, data->data);
 
        if (data == NULL ||
            (data->len == 0 && data->data != NULL) ||