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Message-ID: <20181216123804.7d5ed60d@archlinux>
Date: Sun, 16 Dec 2018 12:38:04 +0000
From: Jonathan Cameron <jic23@...nel.org>
To: Hardik Singh Rathore <hardiksingh.k@...il.com>
Cc: Lars-Peter Clausen <lars@...afoo.de>,
Michael Hennerich <Michael.Hennerich@...log.com>,
Hartmut Knaack <knaack.h@....de>,
Peter Meerwald-Stadler <pmeerw@...erw.net>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
linux-iio@...r.kernel.org, devel@...verdev.osuosl.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: iio: ad7816: drop unnecessary initialization
of variables
On Wed, 12 Dec 2018 23:27:07 +0530
Hardik Singh Rathore <hardiksingh.k@...il.com> wrote:
> Initialization is unnecessary when the variable is written before it is
> read. There were some occasions in which the driver would initialize `ret'
> during declaration without need.
>
> Signed-off-by: Hardik Singh Rathore <hardiksingh.k@...il.com>
Applied.
Thanks,
Jonathan
> ---
> drivers/staging/iio/adc/ad7816.c | 7 +++----
> 1 file changed, 3 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/staging/iio/adc/ad7816.c b/drivers/staging/iio/adc/ad7816.c
> index 5209651a1b25..ee50e7296795 100644
> --- a/drivers/staging/iio/adc/ad7816.c
> +++ b/drivers/staging/iio/adc/ad7816.c
> @@ -65,7 +65,7 @@ enum ad7816_type {
> static int ad7816_spi_read(struct ad7816_chip_info *chip, u16 *data)
> {
> struct spi_device *spi_dev = chip->spi_dev;
> - int ret = 0;
> + int ret;
> __be16 buf;
>
> gpiod_set_value(chip->rdwr_pin, 1);
> @@ -106,7 +106,7 @@ static int ad7816_spi_read(struct ad7816_chip_info *chip, u16 *data)
> static int ad7816_spi_write(struct ad7816_chip_info *chip, u8 data)
> {
> struct spi_device *spi_dev = chip->spi_dev;
> - int ret = 0;
> + int ret;
>
> gpiod_set_value(chip->rdwr_pin, 1);
> gpiod_set_value(chip->rdwr_pin, 0);
> @@ -354,8 +354,7 @@ static int ad7816_probe(struct spi_device *spi_dev)
> {
> struct ad7816_chip_info *chip;
> struct iio_dev *indio_dev;
> - int ret = 0;
> - int i;
> + int i, ret;
>
> indio_dev = devm_iio_device_alloc(&spi_dev->dev, sizeof(*chip));
> if (!indio_dev)
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