Re: [PATCH] sound/i2c: Simplify the return expression of snd_i2c_bit_sendbyte()

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On Tue, Mar 23, 2021 at 08:14:43PM +0800, caizhichao wrote:
> From: Zhichao Cai <caizhichao@xxxxxxxxxx>
> 
> Simplify the return expression.
> 
> Signed-off-by: Zhichao Cai <caizhichao@xxxxxxxxxx>
> ---
>  sound/i2c/i2c.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/sound/i2c/i2c.c b/sound/i2c/i2c.c
> index 847e3b6..dfcc87e 100644
> --- a/sound/i2c/i2c.c
> +++ b/sound/i2c/i2c.c
> @@ -235,9 +235,7 @@ static int snd_i2c_bit_sendbyte(struct snd_i2c_bus *bus, unsigned char data)
>  	for (i = 7; i >= 0; i--)
>  		snd_i2c_bit_send(bus, !!(data & (1 << i)));
>  	err = snd_i2c_bit_ack(bus);
> -	if (err < 0)
> -		return err;
> -	return 0;
> +	return err < 0 ? err : 0;

This isn't a simplification, you're just making the code harder to read
for no good reason.

>  }
>  
>  static int snd_i2c_bit_readbyte(struct snd_i2c_bus *bus, int last)

Johan



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