[PATCH v3 2/3] platform/x86: amd-pmc: Simplify error handling path

[Sanket Goswami <Sanket.Goswami@amd.com>]

Handle error-exits in the amd_pmc_probe() so that the code duplication
is reduced.

Suggested-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sanket Goswami <Sanket.Goswami@amd.com>
---
 drivers/platform/x86/amd-pmc.c | 22 ++++++++++------------
 1 file changed, 10 insertions(+), 12 deletions(-)

diff --git a/drivers/platform/x86/amd-pmc.c b/drivers/platform/x86/amd-pmc.c
index 5d88e55e1ce7..50cb65e38d11 100644
--- a/drivers/platform/x86/amd-pmc.c
+++ b/drivers/platform/x86/amd-pmc.c
@@ -546,30 +546,24 @@ static int amd_pmc_probe(struct platform_device *pdev)
 	err = pci_write_config_dword(rdev, AMD_PMC_SMU_INDEX_ADDRESS, AMD_PMC_BASE_ADDR_LO);
 	if (err) {
 		dev_err(dev->dev, "error writing to 0x%x\n", AMD_PMC_SMU_INDEX_ADDRESS);
-		pci_dev_put(rdev);
-		return pcibios_err_to_errno(err);
+		goto err_pci_dev_put;
 	}
 
 	err = pci_read_config_dword(rdev, AMD_PMC_SMU_INDEX_DATA, &val);
-	if (err) {
-		pci_dev_put(rdev);
-		return pcibios_err_to_errno(err);
-	}
+	if (err)
+		goto err_pci_dev_put;
 
 	base_addr_lo = val & AMD_PMC_BASE_ADDR_HI_MASK;
 
 	err = pci_write_config_dword(rdev, AMD_PMC_SMU_INDEX_ADDRESS, AMD_PMC_BASE_ADDR_HI);
 	if (err) {
 		dev_err(dev->dev, "error writing to 0x%x\n", AMD_PMC_SMU_INDEX_ADDRESS);
-		pci_dev_put(rdev);
-		return pcibios_err_to_errno(err);
+		goto err_pci_dev_put;
 	}
 
 	err = pci_read_config_dword(rdev, AMD_PMC_SMU_INDEX_DATA, &val);
-	if (err) {
-		pci_dev_put(rdev);
-		return pcibios_err_to_errno(err);
-	}
+	if (err)
+		goto err_pci_dev_put;
 
 	base_addr_hi = val & AMD_PMC_BASE_ADDR_LO_MASK;
 	base_addr = ((u64)base_addr_hi << 32 | base_addr_lo);
@@ -598,6 +592,10 @@ static int amd_pmc_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, dev);
 	amd_pmc_dbgfs_register(dev);
 	return 0;
+
+err_pci_dev_put:
+		pci_dev_put(rdev);
+		return pcibios_err_to_errno(err);
 }
 
 static int amd_pmc_remove(struct platform_device *pdev)
-- 
2.25.1