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FAILED: patch "[PATCH] mmc: sdhci-of-at91: fix memleak on clk_get failure" failed to apply to 4.9-stable tree

PATCH [email protected] 1 participant 1 message Feb 6, 2020

Subsystems (5)
Stable branch MMC, SD and SDIO Arm/Microchip (AT91) SoC support Secure digital host controller interface (SDHCI) driver +1 more subsystems
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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 <[email protected]>.

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?= <[email protected]>
Date: Thu, 2 Jan 2020 11:42:16 +0100
Subject: [PATCH] mmc: sdhci-of-at91: fix memleak on clk_get failure
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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 <[email protected]>
Fixes bb5f8ea4d514 ("mmc: sdhci-of-at91: introduce driver for the Atmel SDMMC")
Signed-off-by Michał Mirosław <[email protected]>
Acked-by Ludovic Desroches <[email protected]>
Acked-by Adrian Hunter <[email protected]>
Link https://lore.kernel.org/r/b2a44d5be2e06ff075f32477e466598bb0f07b36.1577961679.git.mirq-linux@rere.qmqm.pl open here
Signed-off-by Ulf Hansson <[email protected]>
drivers/mmc/host/sdhci-of-at91.c +6 -3
index b2a8c45c9c23..ab2bd314a390 100644
@@ -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);