[PATCH] PCI: exynos: missing clk_disable_unprepare() on error in exynos_pcie_probe()

[Wei Yongjun]

From: Wei Yongjun <yongjun_...@trendmicro.com.cn>

Add the missing clk_disable_unprepare() before return
from exynos_pcie_probe() in the error handling case.

Signed-off-by: Wei Yongjun <yongjun_...@trendmicro.com.cn>
---
 drivers/pci/host/pci-exynos.c | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/drivers/pci/host/pci-exynos.c b/drivers/pci/host/pci-exynos.c
index 94e096b..e25598a 100644
--- a/drivers/pci/host/pci-exynos.c
+++ b/drivers/pci/host/pci-exynos.c
@@ -487,18 +487,24 @@ static int __init exynos_pcie_probe(struct 
platform_device *pdev)
 
        elbi_base = platform_get_resource(pdev, IORESOURCE_MEM, 0);
        exynos_pcie->elbi_base = devm_ioremap_resource(&pdev->dev, elbi_base);
-       if (IS_ERR(exynos_pcie->elbi_base))
-               return PTR_ERR(exynos_pcie->elbi_base);
+       if (IS_ERR(exynos_pcie->elbi_base)) {
+               ret = PTR_ERR(exynos_pcie->elbi_base);
+               goto fail_bus_clk;
+       }
 
        phy_base = platform_get_resource(pdev, IORESOURCE_MEM, 1);
        exynos_pcie->phy_base = devm_ioremap_resource(&pdev->dev, phy_base);
-       if (IS_ERR(exynos_pcie->phy_base))
-               return PTR_ERR(exynos_pcie->phy_base);
+       if (IS_ERR(exynos_pcie->phy_base)) {
+               ret = PTR_ERR(exynos_pcie->phy_base);
+               goto fail_bus_clk;
+       }
 
        block_base = platform_get_resource(pdev, IORESOURCE_MEM, 2);
        exynos_pcie->block_base = devm_ioremap_resource(&pdev->dev, block_base);
-       if (IS_ERR(exynos_pcie->block_base))
-               return PTR_ERR(exynos_pcie->block_base);
+       if (IS_ERR(exynos_pcie->block_base)) {
+               ret = PTR_ERR(exynos_pcie->block_base);
+               goto fail_bus_clk;
+       }
 
        ret = add_pcie_port(pp, pdev);
        if (ret < 0)

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