From: Christophe JAILLET christophe.jaillet@wanadoo.fr
stable inclusion from stable-5.10.50 commit 25c7efb3875a0ffd66608d9011fbd93902a6f6aa bugzilla: 174522 https://gitee.com/openeuler/kernel/issues/I4DNFY
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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[ Upstream commit f7eedcb8539ddcbb6fe7791f1b4ccf43f905c72f ]
Add an error handling path in the probe to release some resources, as already done in the remove function.
Fixes: 609adde838f4 ("phy: Add a driver for dm816x USB PHY") Signed-off-by: Christophe JAILLET christophe.jaillet@wanadoo.fr Link: https://lore.kernel.org/r/ac5136881f6bdec50be19b3bf73b3bc1b15ef1f1.162289897... Signed-off-by: Vinod Koul vkoul@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Chen Jun chenjun102@huawei.com Acked-by: Weilong Chen chenweilong@huawei.com Signed-off-by: Chen Jun chenjun102@huawei.com --- drivers/phy/ti/phy-dm816x-usb.c | 17 +++++++++++++---- 1 file changed, 13 insertions(+), 4 deletions(-)
diff --git a/drivers/phy/ti/phy-dm816x-usb.c b/drivers/phy/ti/phy-dm816x-usb.c index 57adc08a89b2..9fe6ea6fdae5 100644 --- a/drivers/phy/ti/phy-dm816x-usb.c +++ b/drivers/phy/ti/phy-dm816x-usb.c @@ -242,19 +242,28 @@ static int dm816x_usb_phy_probe(struct platform_device *pdev)
pm_runtime_enable(phy->dev); generic_phy = devm_phy_create(phy->dev, NULL, &ops); - if (IS_ERR(generic_phy)) - return PTR_ERR(generic_phy); + if (IS_ERR(generic_phy)) { + error = PTR_ERR(generic_phy); + goto clk_unprepare; + }
phy_set_drvdata(generic_phy, phy);
phy_provider = devm_of_phy_provider_register(phy->dev, of_phy_simple_xlate); - if (IS_ERR(phy_provider)) - return PTR_ERR(phy_provider); + if (IS_ERR(phy_provider)) { + error = PTR_ERR(phy_provider); + goto clk_unprepare; + }
usb_add_phy_dev(&phy->phy);
return 0; + +clk_unprepare: + pm_runtime_disable(phy->dev); + clk_unprepare(phy->refclk); + return error; }
static int dm816x_usb_phy_remove(struct platform_device *pdev)