linux-kernel - Re: [PATCH 2/2] i2c: exynos5: remove pointless initializers

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Date:   Thu, 10 May 2018 10:44:05 +0200
From:   Andrzej Hajda <a.hajda@...sung.com>
To:     Peter Rosin <peda@...ntia.se>, linux-kernel@...r.kernel.org
Cc:     Kukjin Kim <kgene@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Wolfram Sang <wsa@...-dreams.de>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-i2c@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org
Subject: Re: [PATCH 2/2] i2c: exynos5: remove pointless initializers

On 09.05.2018 21:45, Peter Rosin wrote:
> The variables are always assigned before use anyway.
>
> Signed-off-by: Peter Rosin <peda@...ntia.se>
> ---
>  drivers/i2c/busses/i2c-exynos5.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/i2c/busses/i2c-exynos5.c b/drivers/i2c/busses/i2c-exynos5.c
> index a2cbc779c33a..185fba37e830 100644
> --- a/drivers/i2c/busses/i2c-exynos5.c
> +++ b/drivers/i2c/busses/i2c-exynos5.c
> @@ -707,7 +707,7 @@ static int exynos5_i2c_xfer(struct i2c_adapter *adap,
>  			struct i2c_msg *msgs, int num)
>  {
>  	struct exynos5_i2c *i2c = adap->algo_data;
> -	int i = 0, ret = 0, stop = 0;
> +	int i, ret, stop;

I hope gcc is smart enough to not complain in case of ret.
I think you can merge both patches into one.

Regards
Andrzej

>  
>  	if (i2c->suspended) {
>  		dev_err(i2c->dev, "HS-I2C is not initialized.\n");