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SubjectRe: [PATCH] mmc: sdhci-of-at91: fix memleak on clk_get failure
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On 2/01/20 12:42 pm, Michał Mirosław wrote:
> sdhci_alloc_host() does its work not using managed infrastructure, so
> needs explicit free on error path. Add it where needed.
>
> Cc: <stable@vger.kernel.org>
> Fixes: bb5f8ea4d514 ("mmc: sdhci-of-at91: introduce driver for the Atmel SDMMC")
> Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>

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

> ---
> drivers/mmc/host/sdhci-of-at91.c | 9 ++++++---
> 1 file changed, 6 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/mmc/host/sdhci-of-at91.c b/drivers/mmc/host/sdhci-of-at91.c
> index b2a8c45c9c23..ab2bd314a390 100644
> --- a/drivers/mmc/host/sdhci-of-at91.c
> +++ b/drivers/mmc/host/sdhci-of-at91.c
> @@ -345,20 +345,23 @@ static int sdhci_at91_probe(struct platform_device *pdev)
> priv->mainck = NULL;
> } else {
> dev_err(&pdev->dev, "failed to get baseclk\n");
> - return PTR_ERR(priv->mainck);
> + ret = PTR_ERR(priv->mainck);
> + goto sdhci_pltfm_free;
> }
> }
>
> priv->hclock = devm_clk_get(&pdev->dev, "hclock");
> if (IS_ERR(priv->hclock)) {
> dev_err(&pdev->dev, "failed to get hclock\n");
> - return PTR_ERR(priv->hclock);
> + ret = PTR_ERR(priv->hclock);
> + goto sdhci_pltfm_free;
> }
>
> priv->gck = devm_clk_get(&pdev->dev, "multclk");
> if (IS_ERR(priv->gck)) {
> dev_err(&pdev->dev, "failed to get multclk\n");
> - return PTR_ERR(priv->gck);
> + ret = PTR_ERR(priv->gck);
> + goto sdhci_pltfm_free;
> }
>
> ret = sdhci_at91_set_clks_presets(&pdev->dev);
>

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