Re: [PATCH] mtd: spi-nor: cqspi: remove redundant dead code on error return check

From: Marek Vasut
Date: Tue Jan 31 2017 - 14:41:16 EST


On 01/31/2017 04:53 PM, Colin King wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> Checking for ret < 0 is redundant because a previous check on ret
> being non-zero already handles the ret < 0 case. Remove the redundant
> code. Found by CoverityScan, CID#1398863, CID#1398864
>
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>

Acked-by: Marek Vasut <marek.vasut@xxxxxxxxx>

Thanks

> ---
> drivers/mtd/spi-nor/cadence-quadspi.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/mtd/spi-nor/cadence-quadspi.c b/drivers/mtd/spi-nor/cadence-quadspi.c
> index 3fb7be8..9f8102d 100644
> --- a/drivers/mtd/spi-nor/cadence-quadspi.c
> +++ b/drivers/mtd/spi-nor/cadence-quadspi.c
> @@ -893,7 +893,7 @@ static ssize_t cqspi_write(struct spi_nor *nor, loff_t to,
> if (ret)
> return ret;
>
> - return (ret < 0) ? ret : len;
> + return len;
> }
>
> static ssize_t cqspi_read(struct spi_nor *nor, loff_t from,
> @@ -913,7 +913,7 @@ static ssize_t cqspi_read(struct spi_nor *nor, loff_t from,
> if (ret)
> return ret;
>
> - return (ret < 0) ? ret : len;
> + return len;
> }
>
> static int cqspi_erase(struct spi_nor *nor, loff_t offs)
>


--
Best regards,
Marek Vasut