Use new iohook_open_nul_fd() API

Makes error handling more consistent
2019-11-03 11:02:54 -05:00
parent 7ee74214f7
commit 879dc0bfb4
6 changed files with 52 additions and 8 deletions
--- a/amex/gpio.c
+++ b/amex/gpio.c
@ -89,7 +89,12 @@ HRESULT gpio_hook_init(const struct gpio_config *cfg)

    memcpy(&gpio_config, cfg, sizeof(*cfg));

-    gpio_fd = iohook_open_dummy_fd();
+    hr = iohook_open_nul_fd(&gpio_fd);
+
+    if (FAILED(hr)) {
+        return hr;
+    }
+
    hr = iohook_push_handler(gpio_handle_irp);

    if (FAILED(hr)) {