Re: [PATCH 01/11] ASoC: samsung: s3c2412: Handle return value of clk_prepare_enable.

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On Tue, Jul 25, 2017 at 03:44:28PM +0530, Arvind Yadav wrote:
> clk_prepare_enable() can fail here and we must check its return value.
> 
> Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
> ---
>  sound/soc/samsung/s3c2412-i2s.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/sound/soc/samsung/s3c2412-i2s.c b/sound/soc/samsung/s3c2412-i2s.c
> index 0a47182..bcd1cbd 100644
> --- a/sound/soc/samsung/s3c2412-i2s.c
> +++ b/sound/soc/samsung/s3c2412-i2s.c
> @@ -71,7 +71,9 @@ static int s3c2412_i2s_probe(struct snd_soc_dai *dai)
>  	/* Set MPLL as the source for IIS CLK */
>  
>  	clk_set_parent(s3c2412_i2s.iis_cclk, clk_get(NULL, "mpll"));
> -	clk_prepare_enable(s3c2412_i2s.iis_cclk);
> +	ret = clk_prepare_enable(s3c2412_i2s.iis_cclk);
> +	if (ret)

You miss here path for error handling for things done in
s3c_i2sv2_probe().

Best regards,
Krzysztof

> +		return ret;
>  
>  	s3c2412_i2s.iis_cclk = s3c2412_i2s.iis_pclk;
>  
> -- 
> 1.9.1
> 
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