Re: [PATCH] platform/x86: intel_pmc_core: fix memleak on registration failure

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Hi,

On 12/22/21 11:50, Johan Hovold wrote:
> In case device registration fails during module initialisation, the
> platform device structure needs to be freed using platform_device_put()
> to properly free all resources (e.g. the device name).
> 
> Fixes: 938835aa903a ("platform/x86: intel_pmc_core: do not create a static struct device")
> Cc: stable@xxxxxxxxxxxxxxx      # 5.9
> Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>

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/intel/pmc/pltdrv.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/platform/x86/intel/pmc/pltdrv.c b/drivers/platform/x86/intel/pmc/pltdrv.c
> index 73797680b895..15ca8afdd973 100644
> --- a/drivers/platform/x86/intel/pmc/pltdrv.c
> +++ b/drivers/platform/x86/intel/pmc/pltdrv.c
> @@ -65,7 +65,7 @@ static int __init pmc_core_platform_init(void)
>  
>  	retval = platform_device_register(pmc_core_device);
>  	if (retval)
> -		kfree(pmc_core_device);
> +		platform_device_put(pmc_core_device);
>  
>  	return retval;
>  }
> 




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