Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1695976

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

From Krzysztof Kozlowski <krzk@kernel.org>
Newsgroups linux.kernel
Subject Re: [PATCH 01/11] ASoC: samsung: s3c2412: Handle return value of clk_prepare_enable.
Date 2017-07-25 19:50 +0200
Message-ID <u7c84-5Ol-31@gated-at.bofh.it> (permalink)
References <u756y-1vz-5@gated-at.bofh.it> <u756y-1vz-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


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@gmail.com>
> ---
>  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
> 

Back to linux.kernel | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

[PATCH 01/11] ASoC: samsung: s3c2412: Handle return value of clk_prepare_enable. Arvind Yadav <arvind.yadav.cs@gmail.com> - 2017-07-25 12:20 +0200
  Re: [PATCH 01/11] ASoC: samsung: s3c2412: Handle return value of  clk_prepare_enable. Krzysztof Kozlowski <krzk@kernel.org> - 2017-07-25 19:50 +0200
  Applied "ASoC: samsung: s3c2412: Handle return value of clk_prepare_enable." to the asoc tree Mark Brown <broonie@kernel.org> - 2017-07-26 16:20 +0200
    Re: Applied "ASoC: samsung: s3c2412: Handle return value of  clk_prepare_enable." to the asoc tree Krzysztof Kozlowski <krzk@kernel.org> - 2017-07-26 17:50 +0200
      Re: Applied "ASoC: samsung: s3c2412: Handle return value of  clk_prepare_enable." to the asoc tree Mark Brown <broonie@kernel.org> - 2017-07-26 18:10 +0200
        Re: Applied "ASoC: samsung: s3c2412: Handle return value of  clk_prepare_enable." to the asoc tree Krzysztof Kozlowski <krzk@kernel.org> - 2017-07-26 18:20 +0200

csiph-web