efi_loader: check interface when uninstalling protocol
The interface has to be checked in UninstallProtocolInterface.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c
index 862ba11..91c923f 100644
--- a/lib/efi_loader/efi_boottime.c
+++ b/lib/efi_loader/efi_boottime.c
@@ -493,6 +493,8 @@
return ret;
if (guidcmp(handler->guid, protocol))
return EFI_INVALID_PARAMETER;
+ if (handler->protocol_interface != protocol_interface)
+ return EFI_INVALID_PARAMETER;
list_del(&handler->link);
free(handler);
return EFI_SUCCESS;