efi_loader: SetMode() parameters check
If EFI_GRAPHICS_OUTPUT_PROTOCOL.SetMode() is called with an invalid mode,
return EFI_UNSUPPORTED.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
diff --git a/lib/efi_loader/efi_gop.c b/lib/efi_loader/efi_gop.c
index c44a1cf..676463f 100644
--- a/lib/efi_loader/efi_gop.c
+++ b/lib/efi_loader/efi_gop.c
@@ -60,12 +60,14 @@
static efi_status_t EFIAPI gop_set_mode(struct efi_gop *this, u32 mode_number)
{
+ efi_status_t ret = EFI_SUCCESS;
+
EFI_ENTRY("%p, %x", this, mode_number);
- if (mode_number != 0)
- return EFI_EXIT(EFI_INVALID_PARAMETER);
+ if (mode_number)
+ ret = EFI_UNSUPPORTED;
- return EFI_EXIT(EFI_SUCCESS);
+ return EFI_EXIT(ret);
}
static __always_inline struct efi_gop_pixel efi_vid16_to_blt_col(u16 vid)