linux-kernel - Re: [v2] misc: pci_endpoint_test: Fix return resource_size_t from pci_resource

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Message-ID: <2024122035-stimulant-angling-3f42@gregkh>
Date: Fri, 20 Dec 2024 09:03:56 +0100
From: Greg KH <gregkh@...uxfoundation.org>
To: Hans Zhang <18255117159@....com>
Cc: manivannan.sadhasivam@...aro.org, kw@...ux.com, kishon@...nel.org,
	arnd@...db.de, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org, rockswang7@...il.com
Subject: Re: [v2] misc: pci_endpoint_test: Fix return resource_size_t from
 pci_resource_len

On Fri, Dec 20, 2024 at 03:52:53PM +0800, Hans Zhang wrote:
> With 8GB BAR2, running pcitest -b 2 fails with "TEST FAILED".
> 
> The return value of the `pci_resource_len` interface is not an integer.
> Using `pcitest` with an 8GB BAR2, the bar_size of integer type will
> overflow.
> Changing the integer to resource_size_t bar_size resolves this issue.
> 
> Signed-off-by: Hans Zhang <18255117159@....com>
> 
> Changes since v1:
> https://lore.kernel.org/linux-pci/20241217121220.19676-1-18255117159@163.com/
> 
> - The patch subject and commit message were modified.
> ---

The "changes" part goes below the --- line, as the documentation shows.

Please fix up.

thanks,

greg k-h