The patch below does not apply to the 4.9-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@xxxxxxxxxxxxxxx>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
>From a04184ce777b46e92c2b3c93c6dcb2754cb005e1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Micha=C5=82=20Miros=C5=82aw?= <mirq-linux@xxxxxxxxxxxx>
Date: Thu, 2 Jan 2020 11:42:16 +0100
Subject: [PATCH] mmc: sdhci-of-at91: fix memleak on clk_get failure
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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sdhci_alloc_host() does its work not using managed infrastructure, so
needs explicit free on error path. Add it where needed.
Cc: <stable@xxxxxxxxxxxxxxx>
Fixes: bb5f8ea4d514 ("mmc: sdhci-of-at91: introduce driver for the Atmel SDMMC")
Signed-off-by: Michał Mirosław <mirq-linux@xxxxxxxxxxxx>
Acked-by: Ludovic Desroches <ludovic.desroches@xxxxxxxxxxxxx>
Acked-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Link: https://lore.kernel.org/r/b2a44d5be2e06ff075f32477e466598bb0f07b36.1577961679.git.mirq-linux@xxxxxxxxxxxx
Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
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);
