linux-kernel - Re: [PATCH v2] PCI: Check value of resource alignment before using _

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Message-ID: <20210524203253.xwpq7tmah2vrew7l@archlinux>
Date:   Tue, 25 May 2021 02:02:53 +0530
From:   Amey Narkhede <ameynarkhede03@...il.com>
To:     Bjorn Helgaas <bhelgaas@...gle.com>
Cc:     linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
        Leon Romanovsky <leon@...nel.org>
Subject: Re: [PATCH v2] PCI: Check value of resource alignment before using
 __ffs

On 21/04/22 01:57PM, Leon Romanovsky wrote:
> On Thu, Apr 22, 2021 at 04:25:38PM +0530, Amey Narkhede wrote:
> > Return value of __ffs is undefined if no set bit exists in
> > its argument. This indicates that the associated BAR has
> > invalid alignment.
> >
> > Signed-off-by: Amey Narkhede <ameynarkhede03@...il.com>
> > ---
> >  drivers/pci/setup-bus.c | 9 +++++----
> >  1 file changed, 5 insertions(+), 4 deletions(-)
> >
>
> Thanks,
> Reviewed-by: Leon Romanovsky <leonro@...dia.com>
A gentle ping :)