Accept subtype of expected GVariant values.

diff --git a/src/hwdriver.c b/src/hwdriver.c
index c46fcdfc34430ea8cb6460633be9dbe59e76753f..dc727a5606204fa5c5260bfeba45fcf966ade296 100644 (file)
--- a/src/hwdriver.c
+++ b/src/hwdriver.c
@@ -178,20 +178,25 @@ SR_PRIV int sr_variant_type_check(uint32_t key, GVariant *value)
 {
        const struct sr_config_info *info;
        const GVariantType *type, *expected;
+       char *expected_string, *type_string;
+
        info = sr_config_info_get(key);
        if (!info)
                return SR_OK;
+
        expected = sr_variant_type_get(info->datatype);
        type = g_variant_get_type(value);
-       if (!g_variant_type_equal(type, expected)) {
-               gchar *expected_string = g_variant_type_dup_string(expected);
-               gchar *type_string = g_variant_type_dup_string(type);
+       if (!g_variant_type_equal(type, expected)
+                       && !g_variant_type_is_subtype_of(type, expected)) {
+               expected_string = g_variant_type_dup_string(expected);
+               type_string = g_variant_type_dup_string(type);
                sr_err("Wrong variant type for key '%s': expected '%s', got '%s'",
                        info->name, expected_string, type_string);
                g_free(expected_string);
                g_free(type_string);
                return SR_ERR_ARG;
        }
+
        return SR_OK;
 }