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-rw-r--r--drivers/ata/pata_hpt37x.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/ata/pata_hpt37x.c b/drivers/ata/pata_hpt37x.c
index c79f066c2bc9..68eb34929cec 100644
--- a/drivers/ata/pata_hpt37x.c
+++ b/drivers/ata/pata_hpt37x.c
@@ -847,15 +847,16 @@ static u32 hpt374_read_freq(struct pci_dev *pdev)
847 u32 freq; 847 u32 freq;
848 unsigned long io_base = pci_resource_start(pdev, 4); 848 unsigned long io_base = pci_resource_start(pdev, 4);
849 if (PCI_FUNC(pdev->devfn) & 1) { 849 if (PCI_FUNC(pdev->devfn) & 1) {
850 struct pci_dev *pdev_0 = pci_get_slot(pdev->bus, pdev->devfn - 1); 850 struct pci_dev *pdev_0;
851
852 pdev_0 = pci_get_slot(pdev->bus, pdev->devfn - 1);
851 /* Someone hot plugged the controller on us ? */ 853 /* Someone hot plugged the controller on us ? */
852 if (pdev_0 == NULL) 854 if (pdev_0 == NULL)
853 return 0; 855 return 0;
854 io_base = pci_resource_start(pdev_0, 4); 856 io_base = pci_resource_start(pdev_0, 4);
855 freq = inl(io_base + 0x90); 857 freq = inl(io_base + 0x90);
856 pci_dev_put(pdev_0); 858 pci_dev_put(pdev_0);
857 } 859 } else
858 else
859 freq = inl(io_base + 0x90); 860 freq = inl(io_base + 0x90);
860 return freq; 861 return freq;
861} 862}