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gpio: mockup: fix a return value check

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The return value of platform_device_register_resndata() on error is
an error code converted to pointer with ERR_PTR(), not NULL.

Check the return value correctly.

Fixes: 8a39f597bc ("gpio: mockup: rework device probing")
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Bartosz Golaszewski 2017-12-06 17:30:02 +01:00 committed by Linus Walleij
parent e0fc62a655
commit c4b54e138a
1 changed files with 2 additions and 2 deletions
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4
drivers/gpio/gpio-mockup.c
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@ -387,11 +387,11 @@ static int __init gpio_mockup_init(void)
GPIO_MOCKUP_NAME,
i, NULL, 0, &pdata,
sizeof(pdata));
if (!pdev) {
if (IS_ERR(pdev)) {
gpio_mockup_err("error registering device");
platform_driver_unregister(&gpio_mockup_driver);
gpio_mockup_unregister_pdevs();
return -ENOMEM;
return PTR_ERR(pdev);
}
gpio_mockup_pdevs[i] = pdev;