Re: [PATCH 8/8] mfd: lm3533: Simplify function return logic

From: Johan Hovold
Date: Wed Sep 30 2015 - 17:03:46 EST


On Tue, Sep 29, 2015 at 01:26:08PM +0200, Javier Martinez Canillas wrote:
> The invoked functions already return zero on success or a negative
> errno code so there is no need to open code the logic in the caller.
>
> Signed-off-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>

I do not consider this an improvement in any way and suggest this patch
is dropped.

> ---
>
> drivers/mfd/lm3533-core.c | 12 ++----------
> 1 file changed, 2 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/mfd/lm3533-core.c b/drivers/mfd/lm3533-core.c
> index 643f3750e830..193ecee1fa7e 100644
> --- a/drivers/mfd/lm3533-core.c
> +++ b/drivers/mfd/lm3533-core.c
> @@ -472,11 +472,7 @@ static int lm3533_device_setup(struct lm3533 *lm3533,
> if (ret)
> return ret;
>
> - ret = lm3533_set_boost_ovp(lm3533, pdata->boost_ovp);
> - if (ret)
> - return ret;
> -
> - return 0;
> + return lm3533_set_boost_ovp(lm3533, pdata->boost_ovp);

You're saving a few lines of code but instead introduce asymmetries and
obscure the fact that the function returns zero on success.

Johan
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