[STLinux Kernel] [PATCH -next] hwrng: st - Fix missing clk_disable_unprepare() on error in st_rng_probe()

[Peter Griffin]

Hi Wei,

On Sat, 10 Sep 2016, Wei Yongjun wrote:

> From: Wei Yongjun <weiyongjun1 at huawei.com>
> 
> Fix the missing clk_disable_unprepare() before return
> from st_rng_probe() in the error handling case.
> 
> Signed-off-by: Wei Yongjun <weiyongjun1 at huawei.com>
> ---
>  drivers/char/hw_random/st-rng.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/char/hw_random/st-rng.c b/drivers/char/hw_random/st-rng.c
> index 7e8aa6b..938ec10 100644
> --- a/drivers/char/hw_random/st-rng.c
> +++ b/drivers/char/hw_random/st-rng.c
> @@ -108,6 +108,7 @@ static int st_rng_probe(struct platform_device *pdev)
>  	ret = hwrng_register(&ddata->ops);
>  	if (ret) {
>  		dev_err(&pdev->dev, "Failed to register HW RNG\n");
> +		clk_disable_unprepare(clk);
>  		return ret;
>  	}
>  
> 

Acked-by: Peter Griffin <peter.griffin at linaro.org>