diff mbox series

[RESEND,2/2] phy: samsung: exynos5250-sata: fix missing device put in probe error paths

Message ID 20220407091857.230386-2-krzysztof.kozlowski@linaro.org (mailing list archive)
State Accepted
Commit 5c8402c4db45dd55c2c93c8d730f5dfa7c78a702
Headers show
Series [RESEND,1/2] phy: samsung: Fix missing of_node_put() in exynos_sata_phy_probe | expand

Commit Message

Krzysztof Kozlowski April 7, 2022, 9:18 a.m. UTC 
The actions of of_find_i2c_device_by_node() in probe function should be
reversed in error paths by putting the reference to obtained device.

Fixes: bcff4cba41bc ("PHY: Exynos: Add Exynos5250 SATA PHY driver")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
 drivers/phy/samsung/phy-exynos5250-sata.c | 20 ++++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

Comments

Krzysztof Kozlowski April 7, 2022, 9:19 a.m. UTC | #1 
On 07/04/2022 11:18, Krzysztof Kozlowski wrote:
> The actions of of_find_i2c_device_by_node() in probe function should be
> reversed in error paths by putting the reference to obtained device.
> 
> Fixes: bcff4cba41bc ("PHY: Exynos: Add Exynos5250 SATA PHY driver")
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> ---
>  drivers/phy/samsung/phy-exynos5250-sata.c | 20 ++++++++++++++------
>  1 file changed, 14 insertions(+), 6 deletions(-)

I forgot:
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>

https://lore.kernel.org/all/018501d834eb$01e62ad0$05b28070$@samsung.com/


Best regards,
Krzysztof
diff mbox series

Patch

diff --git a/drivers/phy/samsung/phy-exynos5250-sata.c b/drivers/phy/samsung/phy-exynos5250-sata.c
index 6c305a3fe187..595adba5fb8f 100644
--- a/drivers/phy/samsung/phy-exynos5250-sata.c
+++ b/drivers/phy/samsung/phy-exynos5250-sata.c
@@ -196,20 +196,21 @@  static int exynos_sata_phy_probe(struct platform_device *pdev)
 	sata_phy->phyclk = devm_clk_get(dev, "sata_phyctrl");
 	if (IS_ERR(sata_phy->phyclk)) {
 		dev_err(dev, "failed to get clk for PHY\n");
-		return PTR_ERR(sata_phy->phyclk);
+		ret = PTR_ERR(sata_phy->phyclk);
+		goto put_dev;
 	}
 
 	ret = clk_prepare_enable(sata_phy->phyclk);
 	if (ret < 0) {
 		dev_err(dev, "failed to enable source clk\n");
-		return ret;
+		goto put_dev;
 	}
 
 	sata_phy->phy = devm_phy_create(dev, NULL, &exynos_sata_phy_ops);
 	if (IS_ERR(sata_phy->phy)) {
-		clk_disable_unprepare(sata_phy->phyclk);
 		dev_err(dev, "failed to create PHY\n");
-		return PTR_ERR(sata_phy->phy);
+		ret = PTR_ERR(sata_phy->phy);
+		goto clk_disable;
 	}
 
 	phy_set_drvdata(sata_phy->phy, sata_phy);
@@ -217,11 +218,18 @@  static int exynos_sata_phy_probe(struct platform_device *pdev)
 	phy_provider = devm_of_phy_provider_register(dev,
 					of_phy_simple_xlate);
 	if (IS_ERR(phy_provider)) {
-		clk_disable_unprepare(sata_phy->phyclk);
-		return PTR_ERR(phy_provider);
+		ret = PTR_ERR(phy_provider);
+		goto clk_disable;
 	}
 
 	return 0;
+
+clk_disable:
+	clk_disable_unprepare(sata_phy->phyclk);
+put_dev:
+	put_device(&sata_phy->client->dev);
+
+	return ret;
 }
 
 static const struct of_device_id exynos_sata_phy_of_match[] = {