linux-kernel - Re: [PATCH 1/5] soundwire: qcom: return error when pm_runtime_get

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Date:   Fri, 29 Apr 2022 16:59:26 +0100
From:   Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:     Bard Liao <yung-chuan.liao@...ux.intel.com>,
        alsa-devel@...a-project.org, vkoul@...nel.org
Cc:     vinod.koul@...aro.org, linux-kernel@...r.kernel.org,
        gregkh@...uxfoundation.org, pierre-louis.bossart@...ux.intel.com,
        sanyog.r.kale@...el.com, bard.liao@...el.com
Subject: Re: [PATCH 1/5] soundwire: qcom: return error when
 pm_runtime_get_sync fails



On 27/04/2022 00:56, Bard Liao wrote:
> From: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
> 
> For some reason there's a missing error return in two places.
> 
> Fixes: 74e79da9fd46a ("soundwire: qcom: add runtime pm support")
> Fixes: 04d46a7b38375 ("soundwire: qcom: add in-band wake up interrupt support")
> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
> Reviewed-by: Péter Ujfalusi <peter.ujfalusi@...ux.intel.com>
> Signed-off-by: Bard Liao <yung-chuan.liao@...ux.intel.com>
> ---

Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>

>   drivers/soundwire/qcom.c | 2 ++
>   1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c
> index f5fc8c27012a..c40c25f2d264 100644
> --- a/drivers/soundwire/qcom.c
> +++ b/drivers/soundwire/qcom.c
> @@ -516,6 +516,7 @@ static irqreturn_t qcom_swrm_wake_irq_handler(int irq, void *dev_id)
>   				    "pm_runtime_get_sync failed in %s, ret %d\n",
>   				    __func__, ret);
>   		pm_runtime_put_noidle(swrm->dev);
> +		return ret;
>   	}
>   
>   	if (swrm->wake_irq > 0) {
> @@ -1258,6 +1259,7 @@ static int swrm_reg_show(struct seq_file *s_file, void *data)
>   				    "pm_runtime_get_sync failed in %s, ret %d\n",
>   				    __func__, ret);
>   		pm_runtime_put_noidle(swrm->dev);
> +		return ret;
>   	}
>   
>   	for (reg = 0; reg <= SWR_MSTR_MAX_REG_ADDR; reg += 4) {