diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-03-05 12:47:28 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-03-05 12:47:28 +0100 |
| commit | 7df4edb07cf54a4868b9a750424c0d2aa68f8d66 (patch) | |
| tree | 0ad0ad3f3dcb6f9edf26dde42ba625053dddf54f /drivers/pci/rom.c | |
| parent | 0d688da5505d77bcef2441e0a22d8cc26459702d (diff) | |
| parent | 559595a985e106d2fa9f0c79b7f5805453fed593 (diff) | |
Merge branch 'linus' into core/iommu
Diffstat (limited to 'drivers/pci/rom.c')
| -rw-r--r-- | drivers/pci/rom.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/pci/rom.c b/drivers/pci/rom.c index 132a78159b6..36864a935d6 100644 --- a/drivers/pci/rom.c +++ b/drivers/pci/rom.c @@ -55,6 +55,7 @@ void pci_disable_rom(struct pci_dev *pdev) /** * pci_get_rom_size - obtain the actual size of the ROM image + * @pdev: target PCI device * @rom: kernel virtual pointer to image of ROM * @size: size of PCI window * return: size of actual ROM image @@ -63,7 +64,7 @@ void pci_disable_rom(struct pci_dev *pdev) * The PCI window size could be much larger than the * actual image size. */ -size_t pci_get_rom_size(void __iomem *rom, size_t size) +size_t pci_get_rom_size(struct pci_dev *pdev, void __iomem *rom, size_t size) { void __iomem *image; int last_image; @@ -72,8 +73,10 @@ size_t pci_get_rom_size(void __iomem *rom, size_t size) do { void __iomem *pds; /* Standard PCI ROMs start out with these bytes 55 AA */ - if (readb(image) != 0x55) + if (readb(image) != 0x55) { + dev_err(&pdev->dev, "Invalid ROM contents\n"); break; + } if (readb(image + 1) != 0xAA) break; /* get the PCI data structure and check its signature */ @@ -159,7 +162,7 @@ void __iomem *pci_map_rom(struct pci_dev *pdev, size_t *size) * size is much larger than the actual size of the ROM. * True size is important if the ROM is going to be copied. */ - *size = pci_get_rom_size(rom, *size); + *size = pci_get_rom_size(pdev, rom, *size); return rom; } |