[LinuxBIOS] pci_rom_load() bug for non-VGA ROM

[Tao Liu]

Hello,

pci_rom_load() returns wrong rom_header for non-VGA ROM case ?

--- orig/src/devices/pci_rom.c
+++ mod/src/devices/pci_rom.c
@@ -95,11 +95,11 @@
    	return (struct rom_header *) (PCI_VGA_RAM_IMAGE_START);
 #endif
    } else {
-		printk_spew("%s, copying non-VGA ROM Image from %x to %x, %x bytes\n",
-			    __func__, rom_header, pci_ram_image_start, rom_size);
+		printk_debug("copying non-VGA ROM Image from %x to %x, %x bytes\n",
+			    rom_header, pci_ram_image_start, rom_size);
    	memcpy(pci_ram_image_start, rom_header, rom_size);
    	pci_ram_image_start += rom_size;
-		return (struct rom_header *) pci_ram_image_start;
+		return (struct rom_header *) (pci_ram_image_start - rom_size);
    }
    /* disable expansion ROM address decoding */
    pci_write_config32(dev, PCI_ROM_ADDRESS, rom_address &
~PCI_ROM_ADDRESS_ENABLE);