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Message-ID: <20210104141932.1037f8e3@xps13>
Date: Mon, 4 Jan 2021 14:19:32 +0100
From: Miquel Raynal <miquel.raynal@...tlin.com>
To: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Cc: vadivel.muruganx.ramuthevar@...ux.intel.com,
linux-mtd@...ts.infradead.org, richard@....at, vigneshr@...com,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mtd: rawnand: intel: remove broken code
Hi Martin,
Martin Blumenstingl <martin.blumenstingl@...glemail.com> wrote on Mon,
4 Jan 2021 14:13:04 +0100:
> Hi Miquel,
>
> thank you for looking into this
>
> On Mon, Jan 4, 2021 at 9:48 AM Miquel Raynal <miquel.raynal@...tlin.com> wrote:
> [...]
> > > nand_set_flash_node(&ebu_host->chip, dev->of_node);
> > > - if (!mtd->name) {
> > > - dev_err(ebu_host->dev, "NAND label property is mandatory\n");
> > > - return -EINVAL;
> > > - }
> >
> > This is valid code, it's best to use a label = "my-storage"; property
> > in your NAND DT node. Then mtd->name will be updated by
> > nand_set_flash_node().
> so you suggest moving the check instead?
> the original code flow was:
> mtd = NULL;
> if (!mtd->name)
> return -EINVAL;
> mtd = nand_to_mtd(&ebu_host->chip);
> ...
>
> by saying that the code itself is valid you're asking me to update the
> flow to the following:
> mtd = nand_to_mtd(&ebu_host->chip);
> if (!mtd->name)
> return -EINVAL;
I actually missed the fact that mtd was used initialized, but yes that
is exactly what I meant!
Thanks,
Miquèl
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