[PATCH] x86: kernel: olpc-xo1: fix error handling code

[PATCH] x86: kernel: olpc-xo1: fix error handling code

[Vasiliy Kulikov]

If anything failed during initialization then setup_bases() should
call pci_disable_device().  Also reference got from pci_get_device()
should be freed with pci_dev_put().

Signed-off-by: Vasiliy Kulikov <segooon@gmail.com>
---
 arch/x86/kernel/olpc-xo1.c |   12 +++++++++---
 1 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kernel/olpc-xo1.c b/arch/x86/kernel/olpc-xo1.c
index f5442c0..05331cf 100644
--- a/arch/x86/kernel/olpc-xo1.c
+++ b/arch/x86/kernel/olpc-xo1.c
@@ -71,20 +71,25 @@ static int __devinit setup_bases(struct pci_dev *pdev)
 	r = pci_request_region(pdev, ACPI_BAR, DRV_NAME);
 	if (r) {
 		dev_err(&pdev->dev, "can't alloc PCI BAR #%d\n", ACPI_BAR);
-		return r;
+		goto err_disable;
 	}
 
 	r = pci_request_region(pdev, PMS_BAR, DRV_NAME);
 	if (r) {
 		dev_err(&pdev->dev, "can't alloc PCI BAR #%d\n", PMS_BAR);
-		pci_release_region(pdev, ACPI_BAR);
-		return r;
+		goto err_region1;
 	}
 
 	acpi_base = pci_resource_start(pdev, ACPI_BAR);
 	pms_base = pci_resource_start(pdev, PMS_BAR);
 
 	return 0;
+
+err_region1:
+	pci_release_region(pdev, ACPI_BAR);
+err_disable:
+	pci_disable_device(pdev);
+	return r;
 }
 
 static int __devinit olpc_xo1_probe(struct platform_device *pdev)
@@ -98,6 +103,7 @@ static int __devinit olpc_xo1_probe(struct platform_device *pdev)
 		return -ENODEV;
 
 	r = setup_bases(pcidev);
+	pci_dev_put(pcidev);
 	if (r)
 		return r;
 
-- 
1.7.0.4