s4/dnsserver: Fix NULL check

Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>

diff --git a/source4/dns_server/dnsserver_common.c b/source4/dns_server/dnsserver_common.c
index 984c65dbdf80e7dfd89c734f561afbc58cdf7f97..71aeee8169dc0264065b1052e29292b651df900d 100644 (file)
--- a/source4/dns_server/dnsserver_common.c
+++ b/source4/dns_server/dnsserver_common.c
@@ -283,7 +283,7 @@ static struct ldb_parse_tree *build_equality_operation(
        value = &el->u.equality.value;
        length = (add_asterix) ? size + 2 : size + 1;
        value->data = talloc_zero_array(el, uint8_t, length);
-       if (el == NULL) {
+       if (value->data == NULL) {
                DBG_ERR("Unable to allocate value->data\n");
                TALLOC_FREE(el);
                return NULL;