| Message ID | 20230823215159.29082-1-mikel@mikelr.com |
|---|---|
| State | Accepted |
| Commit | 8b94da92559f7e403dc7ab81937cc50f949ee2fd |
| Headers | show |
| Series | x86/efistub: Fix PCI ROM preservation in mixed mode | expand |
diff --git a/drivers/firmware/efi/libstub/x86-stub.c b/drivers/firmware/efi/libstub/x86-stub.c index e976288728e9..2fee52ed335d 100644 --- a/drivers/firmware/efi/libstub/x86-stub.c +++ b/drivers/firmware/efi/libstub/x86-stub.c @@ -72,7 +72,7 @@ preserve_pci_rom_image(efi_pci_io_protocol_t *pci, struct pci_setup_rom **__rom) rom->data.type = SETUP_PCI; rom->data.len = size - sizeof(struct setup_data); rom->data.next = 0; - rom->pcilen = pci->romsize; + rom->pcilen = romsize; *__rom = rom; status = efi_call_proto(pci, pci.read, EfiPciIoWidthUint16,
preserve_pci_rom_image() was accessing the romsize field in efi_pci_io_protocol_t directly instead of using the efi_table_attr() helper. This prevents the ROM image from being saved correctly during a mixed mode boot. Fixes: 2c3625cb9fa2 ("efi/x86: Fold __setup_efi_pci32() and __setup_efi_pci64() into one function") Signed-off-by: Mikel Rychliski <mikel@mikelr.com> --- drivers/firmware/efi/libstub/x86-stub.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)