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authorIngo Molnar2009-02-13 09:44:22 +0100
committerIngo Molnar2009-02-13 09:44:22 +0100
commitf8a6b2b9cee298a9663cbe38ce1eb5240987cb62 (patch)
treeb356490269c9e77d164dcc1477792b882fbb8bdb /drivers/pci/rom.c
parentba1511bf7fbda452138e4096bf10d5a382710f4f (diff)
parent071a0bc2ceace31266836801510879407a3701fa (diff)
Merge branch 'linus' into x86/apic
Conflicts: arch/x86/kernel/acpi/boot.c arch/x86/mm/fault.c
Diffstat (limited to 'drivers/pci/rom.c')
-rw-r--r--drivers/pci/rom.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/pci/rom.c b/drivers/pci/rom.c
index 132a78159b60..29cbe47f219f 100644
--- a/drivers/pci/rom.c
+++ b/drivers/pci/rom.c
@@ -63,7 +63,7 @@ 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 +72,10 @@ 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 +161,7 @@ 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;
}