tests: mockup: make sure the gpio-mockup debugfs directory is writable

The gpio-mockup library needs write permissions to make full use of
the debugfs interface. Add the W_OK flag to the call to access() when
preparing the context structure.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>

diff --git a/tests/mockup/gpio-mockup.c b/tests/mockup/gpio-mockup.c
index c7a31525b6563e9ccccbd929f8ede95d5627998c..22a3a58ce9fefd7c8df2d166ce5d16d7c90aae58 100644 (file)
--- a/tests/mockup/gpio-mockup.c
+++ b/tests/mockup/gpio-mockup.c
@@ -112,7 +112,7 @@ EXPORT struct gpio_mockup *gpio_mockup_new(void)
                goto err_unref_module;
 
        /* We need to check that the gpio-mockup debugfs directory exists. */
-       rv = access("/sys/kernel/debug/gpio-mockup", R_OK);
+       rv = access("/sys/kernel/debug/gpio-mockup", R_OK | W_OK);
        if (rv)
                goto err_unref_module;