linux-kernel - Re: [PATCH] mtd: Add simple read disturb test

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Message-ID: <CAOMZO5A8im4c126wZyD8tv1B0-2mvsgh5bfZ1mJWyMhG0fNM_Q@mail.gmail.com>
Date:	Thu, 2 Apr 2015 12:02:24 -0300
From:	Fabio Estevam <festevam@...il.com>
To:	Richard Weinberger <richard@....at>
Cc:	Brian Norris <computersforpeace@...il.com>,
	"linux-mtd@...ts.infradead.org" <linux-mtd@...ts.infradead.org>,
	David Woodhouse <dwmw2@...radead.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] mtd: Add simple read disturb test

On Thu, Apr 2, 2015 at 11:13 AM, Richard Weinberger <richard@....at> wrote:

> +               ret = mtdtest_erase_eraseblock(mtd, i);
> +               if (ret) {
> +                       err = ret;
> +                       goto out;
> +               }

Why not just do like this instead?

              err = mtdtest_erase_eraseblock(mtd, i);
              if (err)
                 goto out;

> +
> +               ret = mtdtest_write(mtd, i * mtd->erasesize, mtd->erasesize,
> +                                   iobuf_orig);
> +               if (ret) {
> +                       err = ret;
> +                       goto out;
> +               }

Same here.

> +               ret = mtdtest_relax();
> +               if (ret)
> +                       goto out;

Here you propagate the wrong error. You test for 'ret' and propagate 'err'.
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