efi_loader: simplify efi_uninstall_protocol()

The call to efi_search_obj() is redundant as the function is called in
efi_search_protocol() too.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c
index 2ca7359..69f2daa 100644
--- a/lib/efi_loader/efi_boottime.c
+++ b/lib/efi_loader/efi_boottime.c
@@ -1357,18 +1357,11 @@
 			(efi_handle_t handle, const efi_guid_t *protocol,
 			 void *protocol_interface)
 {
-	struct efi_object *efiobj;
 	struct efi_handler *handler;
 	struct efi_open_protocol_info_item *item;
 	struct efi_open_protocol_info_item *pos;
 	efi_status_t r;
 
-	/* Check handle */
-	efiobj = efi_search_obj(handle);
-	if (!efiobj) {
-		r = EFI_INVALID_PARAMETER;
-		goto out;
-	}
 	/* Find the protocol on the handle */
 	r = efi_search_protocol(handle, protocol, &handler);
 	if (r != EFI_SUCCESS)
@@ -1376,7 +1369,7 @@
 	if (handler->protocol_interface != protocol_interface)
 		return EFI_NOT_FOUND;
 	/* Disconnect controllers */
-	r = efi_disconnect_all_drivers(efiobj, protocol, NULL);
+	r = efi_disconnect_all_drivers(handle, protocol, NULL);
 	if (r != EFI_SUCCESS) {
 		r = EFI_ACCESS_DENIED;
 		goto out;