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List: linux-pci
Subject: [PATCH] PCI: exynos: missing clk_disable_unprepare() on error in exynos_pcie_probe()
From: Wei Yongjun <weiyj.lk () gmail ! com>
Date: 2013-09-29 2:29:11
Message-ID: CAPgLHd_RTNxi-OYhmTZ35NttjnAg-gQ_WKHkUQr5ueMhXVLTMg () mail ! gmail ! com
[Download RAW message or body]
From: Wei Yongjun <yongjun_wei@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_wei@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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