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: Brad Larson <blarson@xxxxxxx>
> ---
> 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;
> }
