From c4b54e138a2610b02cd655deddefa793c1871ef8 Mon Sep 17 00:00:00 2001 From: Bartosz Golaszewski Date: Wed, 6 Dec 2017 17:30:02 +0100 Subject: [PATCH] gpio: mockup: fix a return value check 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: 8a39f597bcfd ("gpio: mockup: rework device probing") Signed-off-by: Bartosz Golaszewski Signed-off-by: Linus Walleij --- drivers/gpio/gpio-mockup.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpio/gpio-mockup.c b/drivers/gpio/gpio-mockup.c index ea8c730..3a545ad 100644 --- a/drivers/gpio/gpio-mockup.c +++ b/drivers/gpio/gpio-mockup.c @@ -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; -- 2.7.4