Re: [PATCH] ASoC: bells: Use common error handling code in bells_set_bias_level_post()

From: Krzysztof Kozlowski
Date: Mon Nov 20 2017 - 02:39:04 EST


On Sun, Nov 19, 2017 at 3:08 PM, SF Markus Elfring
<elfring@xxxxxxxxxxxxxxxxxxxxx> wrote:
> From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> Date: Sun, 19 Nov 2017 15:00:22 +0100
>
> * Add a jump target so that a specific error message is stored only once
> at the end of this function implementation.
>
> * Replace two calls of the macro "pr_err" by goto statements.
>
> This issue was detected by using the Coccinelle software.
>
> Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> ---
> sound/soc/samsung/bells.c | 16 ++++++++--------
> 1 file changed, 8 insertions(+), 8 deletions(-)
>
> diff --git a/sound/soc/samsung/bells.c b/sound/soc/samsung/bells.c
> index 34deba461ae1..fc9a71523b3e 100644
> --- a/sound/soc/samsung/bells.c
> +++ b/sound/soc/samsung/bells.c
> @@ -120,18 +120,14 @@ static int bells_set_bias_level_post(struct snd_soc_card *card,
> switch (level) {
> case SND_SOC_BIAS_STANDBY:
> ret = snd_soc_codec_set_pll(codec, WM5102_FLL1, 0, 0, 0);
> - if (ret < 0) {
> - pr_err("Failed to stop FLL: %d\n", ret);
> - return ret;
> - }
> + if (ret < 0)
> + goto report_failure;
>

No. The same as previously - just for error path code this makes code
less readable.

Best regards,
Krzysztof