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mmc: sdhci-of-at91: fix memleak on clk_get failure

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[ Upstream commit a04184ce777b46e92c2b3c93c6dcb2754cb005e1 ]

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: bb5f8ea4d5 ("mmc: sdhci-of-at91: introduce driver for the Atmel SDMMC")
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/b2a44d5be2e06ff075f32477e466598bb0f07b36.1577961679.git.mirq-linux@rere.qmqm.pl
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Michał Mirosław 2020-01-02 11:42:16 +01:00 • committed by Greg Kroah-Hartman
commit 84c9efd2f8
1 changed files with 6 additions and 3 deletions
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9
drivers/mmc/host/sdhci-of-at91.c
View file

@ -324,19 +324,22 @@ static int sdhci_at91_probe(struct platform_device *pdev)
priv->mainck = devm_clk_get(&pdev->dev, "baseclk");
if (IS_ERR(priv->mainck)) {
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);