From: Miquel Raynal <miquel.raynal@free-electrons.com>
To: Colin King <colin.king@canonical.com>
Cc: Boris Brezillon <boris.brezillon@free-electrons.com>,
Richard Weinberger <richard@nod.at>,
David Woodhouse <dwmw2@infradead.org>,
Brian Norris <computersforpeace@gmail.com>,
Marek Vasut <marek.vasut@gmail.com>,
Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>,
linux-mtd@lists.infradead.org, kernel-janitors@vger.kernel.org
Subject: Re: [PATCH][V2] mtd: nand: marvell: remove redundant variable 'oob_len'
Date: Fri, 19 Jan 2018 08:05:18 +0000 [thread overview]
Message-ID: <20180119090518.619e3d44@xps13> (raw)
In-Reply-To: <20180119075954.15009-1-colin.king@canonical.com>
Hello,
On Fri, 19 Jan 2018 07:59:54 +0000
Colin King <colin.king@canonical.com> wrote:
> From: Colin Ian King <colin.king@canonical.com>
>
> Variable oob_len is assigned and never read, hence it is redundant and
> can be removed.
>
> Cleans up clang warnings:
>
> drivers/mtd/nand/marvell_nand.c:1356:6: warning: Value stored to 'oob_len'
> during its initialization is never read
> drivers/mtd/nand/marvell_nand.c:1369:4: warning: Value stored to 'oob_len'
> is never read
>
> Signed-off-by: Colin Ian King <colin.king@canonical.com>
> ---
> drivers/mtd/nand/marvell_nand.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/drivers/mtd/nand/marvell_nand.c b/drivers/mtd/nand/marvell_nand.c
> index 4bd53b360277..f15ab37edf4e 100644
> --- a/drivers/mtd/nand/marvell_nand.c
> +++ b/drivers/mtd/nand/marvell_nand.c
> @@ -1353,7 +1353,6 @@ static int marvell_nfc_hw_ecc_bch_write_page_raw(struct mtd_info *mtd,
> int data_len = lt->data_bytes;
> int spare_len = lt->spare_bytes;
> int ecc_len = lt->ecc_bytes;
> - int oob_len = spare_len + ecc_len;
> int spare_offset = 0;
> int ecc_offset = (lt->full_chunk_cnt * lt->spare_bytes) +
> lt->last_spare_bytes;
> @@ -1366,7 +1365,6 @@ static int marvell_nfc_hw_ecc_bch_write_page_raw(struct mtd_info *mtd,
> data_len = lt->last_data_bytes;
> spare_len = lt->last_spare_bytes;
> ecc_len = lt->last_ecc_bytes;
> - oob_len = spare_len + ecc_len;
> }
>
> /* Point to the column of the next chunk */
Acked-by: Miquel Raynal <miquel.raynal@free-electrons.com>
Thanks,
Miquèl
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next prev parent reply other threads:[~2018-01-19 8:05 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-19 7:59 [PATCH][V2] mtd: nand: marvell: remove redundant variable 'oob_len' Colin King
2018-01-19 8:05 ` Miquel Raynal [this message]
2018-01-20 13:52 ` Boris Brezillon
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