[PATCH v2] mtd: tests: nandbiterrs: Fix read_page return value
Boris Brezillon
boris.brezillon at free-electrons.com
Wed Jan 10 00:46:24 PST 2018
On Tue, 9 Jan 2018 10:47:02 +0100
Sascha Hauer <s.hauer at pengutronix.de> wrote:
> The number of corrected bitflips is not correctly reported by
> the test until the bitflip threshold is reached.
>
> read_page() shall return the number of corrected bitflips, but
> mtd_read() returns 0 or a negative error, so we can't forward
> its return value. In the absence of an error we always have
> calculate the number of bitflips ourselves.
>
Applied.
Thanks,
Boris
> Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
> ---
> drivers/mtd/tests/nandbiterrs.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/mtd/tests/nandbiterrs.c b/drivers/mtd/tests/nandbiterrs.c
> index 5f03b8c885a9..cde19c99e77b 100644
> --- a/drivers/mtd/tests/nandbiterrs.c
> +++ b/drivers/mtd/tests/nandbiterrs.c
> @@ -151,7 +151,7 @@ static int read_page(int log)
> memcpy(&oldstats, &mtd->ecc_stats, sizeof(oldstats));
>
> err = mtd_read(mtd, offset, mtd->writesize, &read, rbuffer);
> - if (err == -EUCLEAN)
> + if (!err || err == -EUCLEAN)
> err = mtd->ecc_stats.corrected - oldstats.corrected;
>
> if (err < 0 || read != mtd->writesize) {
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