tests: add missing return value check

One of the line-request test cases is missing the return value check
after the call to gpiod_line_request_set_values_subset(). Add it.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

diff --git a/tests/tests-line-request.c b/tests/tests-line-request.c
index 1a582755f1d65b92a8deaf0b5019adcfbfc14171..7bba07832995d1a82f04a1dfbb6aaf2bba252c70 100644 (file)
--- a/tests/tests-line-request.c
+++ b/tests/tests-line-request.c
@@ -574,6 +574,7 @@ GPIOD_TEST_CASE(request_lines_with_unordered_offsets)
        g_autoptr(struct_gpiod_line_request) request = NULL;
        enum gpiod_line_value values[4];
        guint set_offsets[4];
+       gint ret;
 
        chip = gpiod_test_open_chip_or_fail(g_gpiosim_chip_get_dev_path(sim));
        settings = gpiod_test_create_line_settings_or_fail();
@@ -596,7 +597,9 @@ GPIOD_TEST_CASE(request_lines_with_unordered_offsets)
        set_offsets[1] = 1;
        set_offsets[2] = 6;
        set_offsets[3] = 0;
-       gpiod_line_request_set_values_subset(request, 4, set_offsets, values);
+       ret = gpiod_line_request_set_values_subset(request, 4, set_offsets, values);
+       g_assert_cmpint(ret, ==, 0);
+       gpiod_test_return_if_failed();
 
        g_assert_cmpint(g_gpiosim_chip_get_value(sim, 0), ==,
                        G_GPIOSIM_VALUE_INACTIVE);