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SubjectRe: [PATCH] platform/x86: barco-p50-gpio: Add check for platform_driver_register
From
Hi,

On 5/26/22 11:03, Jiasheng Jiang wrote:
> As platform_driver_register() could fail, it should be better
> to deal with the return value in order to maintain the code
> consisitency.
>
> Fixes: 86af1d02d458 ("platform/x86: Support for EC-connected GPIOs for identify LED/button on Barco P50 board")
>
> Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>

Thank you for your patch, I've applied this patch to my review-hans
branch:
https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git/log/?h=review-hans

Note it will show up in my review-hans branch once I've pushed my
local branch there, which might take a while.

Once I've run some tests on this branch the patches there will be
added to the platform-drivers-x86/for-next branch and eventually
will be included in the pdx86 pull-request to Linus for the next
merge-window.

Regards,

Hans


> ---
> drivers/platform/x86/barco-p50-gpio.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/platform/x86/barco-p50-gpio.c b/drivers/platform/x86/barco-p50-gpio.c
> index 05534287bc26..8dd672339485 100644
> --- a/drivers/platform/x86/barco-p50-gpio.c
> +++ b/drivers/platform/x86/barco-p50-gpio.c
> @@ -405,11 +405,14 @@ MODULE_DEVICE_TABLE(dmi, dmi_ids);
> static int __init p50_module_init(void)
> {
> struct resource res = DEFINE_RES_IO(P50_GPIO_IO_PORT_BASE, P50_PORT_CMD + 1);
> + int ret;
>
> if (!dmi_first_match(dmi_ids))
> return -ENODEV;
>
> - platform_driver_register(&p50_gpio_driver);
> + ret = platform_driver_register(&p50_gpio_driver);
> + if (ret)
> + return ret;
>
> gpio_pdev = platform_device_register_simple(DRIVER_NAME, PLATFORM_DEVID_NONE, &res, 1);
> if (IS_ERR(gpio_pdev)) {

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