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 862ba11728283b4f73ac34885cef6bbce3f30004..91c923f560903ac3612a40f9d3678044815509f3 100644 (file)
--- a/lib/efi_loader/efi_boottime.c
+++ b/lib/efi_loader/efi_boottime.c
@@ -493,6 +493,8 @@ efi_status_t efi_remove_protocol(const efi_handle_t handle,
                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;