Add check for NULL from fr_value_box_alloc_null() (CID #1469164) (#4487)

diff --git a/src/lib/json/jpath.c b/src/lib/json/jpath.c
index 1c776dd6210c5f846194d41f0b9b11c039d1cdd0..8f1a0c774612397dc3cefc03601c3437136364ac 100644 (file)
--- a/src/lib/json/jpath.c
+++ b/src/lib/json/jpath.c
@@ -349,7 +349,7 @@ static int jpath_evaluate(TALLOC_CTX *ctx, fr_value_box_list_t *tail,
         *      we now attempt conversion of the leaf to
         *      the specified value.
         */
-       value = fr_value_box_alloc_null(ctx);
+       MEM(value = fr_value_box_alloc_null(ctx));
        if (fr_json_object_to_value_box(value, value, object, dst_enumv, true) < 0) {
                talloc_free(value);
                return -1;