linux-kernel - Re: [PATCH -next] pci: fix a -Wtype-limits compilation warning

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Date:   Wed, 18 Dec 2019 15:08:38 -0500
From:   Qian Cai <cai@....pw>
To:     Bjorn Helgaas <helgaas@...nel.org>
Cc:     jamessewart@...sta.com, logang@...tatee.com,
        linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH -next] pci: fix a -Wtype-limits compilation warning



> On Dec 18, 2019, at 1:24 PM, Bjorn Helgaas <helgaas@...nel.org> wrote:
> 
> Ugh, that is pretty subtle!  Would you mind if we used "unsigned int"
> instead of "u16"?  "u16" makes it look like just a mistake -- somebody
> is likely to come along and say devfn only needs "u8" and try to
> change it back.  The same might happen with "unsigned int", but at
> least it doesn't look like it was chosen specifically to fit a devfn.
> 
> Provisional patch below.

Looks good to me.