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Subject[PATCH] gpio: mockup: fix a return value check
Date
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 <brgl@bgdev.pl>
---
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 ea8c730d8af1..3a545ad17817 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;
--
2.15.1
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