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From: Boris Brezillon <boris.brezillon@bootlin.com>
To: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
	devicetree@vger.kernel.org, Pawel Moll <pawel.moll@arm.com>,
	Ian Campbell <ijc+devicetree@hellion.org.uk>,
	Richard Weinberger <richard@nod.at>,
	Marek Vasut <marek.vasut@gmail.com>,
	Rob Herring <robh+dt@kernel.org>,
	linux-mtd@lists.infradead.org, Kumar Gala <galak@codeaurora.org>,
	Brian Norris <computersforpeace@gmail.com>,
	David Woodhouse <dwmw2@infradead.org>
Subject: Re: [PATCH 03/14] mtd: maps: physmap: Use platform_get_resource() to retrieve iomem resources
Date: Tue, 9 Oct 2018 09:54:15 +0200	[thread overview]
Message-ID: <20181009095415.0e6309a3@bbrezillon> (raw)
In-Reply-To: <CAPybu_2BECuV5SJaHPopj5+hVVU+7i4pw8CWGqh5rDZ_TALF8g@mail.gmail.com>

On Tue, 9 Oct 2018 09:16:41 +0200
Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> wrote:

> Hi Boris
> On Mon, Oct 8, 2018 at 10:10 PM Boris Brezillon
> <boris.brezillon@bootlin.com> wrote:
> >
> > Stop manipulating the dev->resource array directly and use the
> > platform_get_resource() helper instead.
> >
> > While at it, fix the loop check so that we never overflow the info->maps
> > and info->mtds array even if the number of resources attached to the
> > platform dev is higher than MAX_RESOURCES.
> >
> > Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
> > ---
> >  drivers/mtd/maps/physmap.c | 29 ++++++++++++++++++-----------
> >  1 file changed, 18 insertions(+), 11 deletions(-)
> >
> > diff --git a/drivers/mtd/maps/physmap.c b/drivers/mtd/maps/physmap.c
> > index 4010afee4a33..e5b15ec2cb04 100644
> > --- a/drivers/mtd/maps/physmap.c
> > +++ b/drivers/mtd/maps/physmap.c
> > @@ -122,23 +122,28 @@ static int physmap_flash_probe(struct platform_device *dev)
> >
> >         platform_set_drvdata(dev, info);
> >
> > -       for (i = 0; i < dev->num_resources; i++) {
> > +       for (i = 0; i < MAX_RESOURCES; i++) {
> > +               struct resource *res;
> > +
> > +               res = platform_get_resource(dev, IORESOURCE_MEM, i);
> > +               if (res)
> > +                       break;  
> 
> Maybe if (!res)

I'll fix that one.

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  reply	other threads:[~2018-10-09  7:54 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-08 20:10 [PATCH 00/14] mtd: maps: physmap cleanups Boris Brezillon
2018-10-08 20:10 ` [PATCH 01/14] mtd: maps: physmap: Add SPDX header Boris Brezillon
2018-10-08 20:10 ` [PATCH 02/14] mtd: maps: physmap: Rename ->map and ->mtd into ->maps and ->mtds Boris Brezillon
2018-10-08 20:10 ` [PATCH 03/14] mtd: maps: physmap: Use platform_get_resource() to retrieve iomem resources Boris Brezillon
2018-10-09  7:16   ` Ricardo Ribalda Delgado
2018-10-09  7:54     ` Boris Brezillon [this message]
2018-10-08 20:10 ` [PATCH 04/14] mtd: maps: physmap: Use dev_notice() and a %pR specifier Boris Brezillon
2018-10-08 20:10 ` [PATCH 05/14] mtd: maps: physmap: Use devm_ioremap_resource() Boris Brezillon
2018-10-08 20:10 ` [PATCH 06/14] mtd: maps: physmap: Remove the MAX_RESOURCES limitation Boris Brezillon
2018-10-09  7:31   ` Ricardo Ribalda Delgado
2018-10-09  7:53     ` Boris Brezillon
2018-10-08 20:10 ` [PATCH 07/14] mtd: maps: physmap: Check mtd_device_{parse_register, unregister}() ret code Boris Brezillon
2018-10-08 20:10 ` [PATCH 08/14] mtd: maps: physmap: Return -ENOMEM directly when info allocation fails Boris Brezillon
2018-10-08 20:10 ` [PATCH 09/14] mtd: maps: physmap: Fix coding style issues reported by checkpatch Boris Brezillon
2018-10-09  7:37   ` Ricardo Ribalda Delgado
2018-10-09  7:52     ` Boris Brezillon
2018-10-14  7:26       ` Boris Brezillon
2018-10-08 20:10 ` [PATCH 10/14] mtd: maps: Prepare merging of physmap and physmap_of Boris Brezillon
2018-10-08 20:10 ` [PATCH 11/14] mtd: maps: Merge physmap_of.c into physmap-core.c Boris Brezillon
2018-10-09  6:58   ` Ricardo Ribalda Delgado
2018-10-09  7:06     ` Boris Brezillon
2018-10-08 20:10 ` [PATCH 12/14] mtd: maps: Merge gpio-addr-flash.c " Boris Brezillon
2018-10-09  7:04   ` Ricardo Ribalda Delgado
2018-10-09  7:11     ` Boris Brezillon
2018-10-14  7:06       ` Boris Brezillon
2018-10-08 20:10 ` [PATCH 13/14] mtd: maps: Rename physmap_of_{versatile, gemini} into physmap-{versatile, gemini} Boris Brezillon
2018-10-08 20:10 ` [PATCH 14/14] dt-binding: mtd: physmap: Document the addr-gpios property Boris Brezillon
2018-10-09  7:43   ` Ricardo Ribalda Delgado
2018-10-09  7:56     ` Boris Brezillon

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