Re: [PATCH] spi/atmel: fix simple_return.cocci warnings

From: Nicolas Ferre
Date: Fri Oct 17 2014 - 05:05:57 EST


On 16/10/2014 18:18, Fengguang Wu :
> drivers/spi/spi-atmel.c:1518:1-4: WARNING: end returns can be simpified and declaration on line 1514 can be dropped
>
> Simplify a trivial if-return sequence. Possibly combine with a
> preceding function call.
> Generated by: scripts/coccinelle/misc/simple_return.cocci
>
> CC: Wenyou Yang <wenyou.yang@xxxxxxxxx>
> Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
> ---
>
> Please take the patch only if it's a positive warning. Thanks!
>
> spi-atmel.c | 7 +------
> 1 file changed, 1 insertion(+), 6 deletions(-)
>
> --- a/drivers/spi/spi-atmel.c
> +++ b/drivers/spi/spi-atmel.c
> @@ -1511,15 +1511,10 @@ static int atmel_spi_runtime_resume(stru
> {
> struct spi_master *master = dev_get_drvdata(dev);
> struct atmel_spi *as = spi_master_get_devdata(master);
> - int ret;
>
> pinctrl_pm_select_default_state(dev);
>
> - ret = clk_prepare_enable(as->clk);
> - if (ret)
> - return ret;
> -
> - return 0;
> + return clk_prepare_enable(as->clk);

Indeed:

Acked-by: Nicolas Ferre <nicolas.ferre@xxxxxxxxx>

> }
> #endif
>
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Nicolas Ferre
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