Re: [PATCH] mmc: sdhci-cadence: Fix an error handling path in sdhci_cdns_probe()

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On 25/04/23 16:41, Christophe JAILLET wrote:
> If devm_reset_control_get_optional_exclusive() fails, some resources still
> need to be released. So branch to the error handling path instead of
> returning directly.
> 
> Fixes: aad53d4ee756 ("mmc: sdhci-cadence: Support mmc hardware reset")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>

Acked-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>

> ---
>  drivers/mmc/host/sdhci-cadence.c | 8 +++++---
>  1 file changed, 5 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/mmc/host/sdhci-cadence.c b/drivers/mmc/host/sdhci-cadence.c
> index b24aa27da50c..d2f625054689 100644
> --- a/drivers/mmc/host/sdhci-cadence.c
> +++ b/drivers/mmc/host/sdhci-cadence.c
> @@ -540,9 +540,11 @@ static int sdhci_cdns_probe(struct platform_device *pdev)
>  
>  	if (host->mmc->caps & MMC_CAP_HW_RESET) {
>  		priv->rst_hw = devm_reset_control_get_optional_exclusive(dev, NULL);
> -		if (IS_ERR(priv->rst_hw))
> -			return dev_err_probe(mmc_dev(host->mmc), PTR_ERR(priv->rst_hw),
> -					     "reset controller error\n");
> +		if (IS_ERR(priv->rst_hw)) {
> +			ret = dev_err_probe(mmc_dev(host->mmc), PTR_ERR(priv->rst_hw),
> +					    "reset controller error\n");
> +			goto free;
> +		}
>  		if (priv->rst_hw)
>  			host->mmc_host_ops.card_hw_reset = sdhci_cdns_mmc_hw_reset;
>  	}




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