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Diffstat (limited to 'lib/efi_loader/efi_console.c')
| -rw-r--r-- | lib/efi_loader/efi_console.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/efi_loader/efi_console.c b/lib/efi_loader/efi_console.c index 5560fc8..5109017 100644 --- a/lib/efi_loader/efi_console.c +++ b/lib/efi_loader/efi_console.c @@ -379,6 +379,10 @@ static efi_status_t EFIAPI efi_cout_set_mode( if (mode_number >= efi_con_mode.max_mode) return EFI_EXIT(EFI_UNSUPPORTED); + + if (!efi_cout_modes[mode_number].present) + return EFI_EXIT(EFI_UNSUPPORTED); + efi_con_mode.mode = mode_number; EFI_CALL(efi_cout_clear_screen(this)); |