PCI: exynos: Add missing clk_disable_unprepare() on error path

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

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Jingoo Han <jg1.han@samsung.com>

1 files changed, 12 insertions, 6 deletions

diff --git a/drivers/pci/host/pci-exynos.c b/drivers/pci/host/pci-exynos.c
index ee692c2c3d73..89804728bd5b 100644
--- a/drivers/pci/host/pci-exynos.c
+++ b/drivers/pci/host/pci-exynos.c
@@ -599,18 +599,24 @@ 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)