59 struct label {  struct
201 static struct label *construct_label(char *component, u8 varos, u8 *name,  in construct_label()
204 	struct label *label;  in construct_label()  local
213 		if (slen > sizeof(label->attr.prefix))  in construct_label()
218 	label = kzalloc(roundup_pow_of_two(sizeof(*label)), GFP_KERNEL);  in construct_label()
219 	if (!label)  in construct_label()
223 		memcpy(&label->attr.prefix, component, slen);  in construct_label()
225 	label->attr.version = PLPKS_LABEL_VERSION;  in construct_label()
226 	label->attr.os = varos;  in construct_label()
227 	label->attr.length = PLPKS_MAX_LABEL_ATTR_SIZE;  in construct_label()
228 	memcpy(&label->name, name, namelen);  in construct_label()
230 	label->size = sizeof(struct label_attr) + namelen;  in construct_label()
232 	return label;  in construct_label()
391 static int plpks_confirm_object_flushed(struct label *label,  in plpks_confirm_object_flushed()  argument
402 				 virt_to_phys(auth), virt_to_phys(label),  in plpks_confirm_object_flushed()
403 				 label->size);  in plpks_confirm_object_flushed()
432 	struct label *label;  in plpks_signed_update_var()  local
451 	label = construct_label(var->component, var->os, var->name, var->namelen);  in plpks_signed_update_var()
452 	if (IS_ERR(label)) {  in plpks_signed_update_var()
453 		rc = PTR_ERR(label);  in plpks_signed_update_var()
459 				  virt_to_phys(auth), virt_to_phys(label),  in plpks_signed_update_var()
460 				  label->size, var->policy, flags,  in plpks_signed_update_var()
475 		rc = plpks_confirm_object_flushed(label, auth);  in plpks_signed_update_var()
477 	kfree(label);  in plpks_signed_update_var()
488 	struct label *label;  in plpks_write_var()  local
502 	label = construct_label(var.component, var.os, var.name, var.namelen);  in plpks_write_var()
503 	if (IS_ERR(label)) {  in plpks_write_var()
504 		rc = PTR_ERR(label);  in plpks_write_var()
509 			 virt_to_phys(label), label->size, var.policy,  in plpks_write_var()
513 		rc = plpks_confirm_object_flushed(label, auth);  in plpks_write_var()
516 	kfree(label);  in plpks_write_var()
527 	struct label *label;  in plpks_remove_var()  local
537 	label = construct_label(component, varos, vname.name, vname.namelen);  in plpks_remove_var()
538 	if (IS_ERR(label)) {  in plpks_remove_var()
539 		rc = PTR_ERR(label);  in plpks_remove_var()
544 			 virt_to_phys(label), label->size);  in plpks_remove_var()
547 		rc = plpks_confirm_object_flushed(label, auth);  in plpks_remove_var()
550 	kfree(label);  in plpks_remove_var()
561 	struct label *label = NULL;  in plpks_read_var()  local
573 		label = construct_label(var->component, var->os, var->name,  in plpks_read_var()
575 		if (IS_ERR(label)) {  in plpks_read_var()
576 			rc = PTR_ERR(label);  in plpks_read_var()
589 				 virt_to_phys(label), label->size, virt_to_phys(output),  in plpks_read_var()
615 	kfree(label);  in plpks_read_var()