efi_loader: simplify efi_remove_all_protocols

Replace list_for_each_safe() and list_entry() by
list_for_each_entry_safe().

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Alexander Graf <agraf@suse.de>

lib/efi_loader/efi_boottime.c

@@ -425,18 +425,15 @@ efi_status_t efi_remove_protocol(const void *handle, const efi_guid_t *protocol,
 efi_status_t efi_remove_all_protocols(const void *handle)
 {
 	struct efi_object *efiobj;
-	struct list_head *lhandle;
-	struct list_head *pos;
+	struct efi_handler *protocol;
+	struct efi_handler *pos;
 
 	efiobj = efi_search_obj(handle);
 	if (!efiobj)
 		return EFI_INVALID_PARAMETER;
-	list_for_each_safe(lhandle, pos, &efiobj->protocols) {
-		struct efi_handler *protocol;
+	list_for_each_entry_safe(protocol, pos, &efiobj->protocols, link) {
 		efi_status_t ret;
 
-		protocol = list_entry(lhandle, struct efi_handler, link);
-
 		ret = efi_remove_protocol(handle, protocol->guid,
 					  protocol->protocol_interface);
 		if (ret != EFI_SUCCESS)