61 struct label {  struct
187  * Label is combination of label attributes + name.
188  * Label attributes are used internally by kernel and not exposed to the user.
190 static struct label *construct_label(char *component, u8 varos, u8 *name,  in construct_label()
193 	struct label *label;  in construct_label()  local
200 	if (component && slen > sizeof(label->attr.prefix))  in construct_label()
203 	label = kzalloc(sizeof(*label), GFP_KERNEL);  in construct_label()
204 	if (!label)  in construct_label()
208 		memcpy(&label->attr.prefix, component, slen);  in construct_label()
210 	label->attr.version = LABEL_VERSION;  in construct_label()
211 	label->attr.os = varos;  in construct_label()
212 	label->attr.length = MAX_LABEL_ATTR_SIZE;  in construct_label()
213 	memcpy(&label->name, name, namelen);  in construct_label()
215 	label->size = sizeof(struct label_attr) + namelen;  in construct_label()
217 	return label;  in construct_label()
251 static int plpks_confirm_object_flushed(struct label *label,  in plpks_confirm_object_flushed()  argument
261 				 virt_to_phys(auth), virt_to_phys(label),  in plpks_confirm_object_flushed()
262 				 label->size);  in plpks_confirm_object_flushed()
288 	struct label *label;  in plpks_write_var()  local
302 	label = construct_label(var.component, var.os, var.name, var.namelen);  in plpks_write_var()
303 	if (IS_ERR(label)) {  in plpks_write_var()
304 		rc = PTR_ERR(label);  in plpks_write_var()
309 			 virt_to_phys(label), label->size, var.policy,  in plpks_write_var()
313 		rc = plpks_confirm_object_flushed(label, auth);  in plpks_write_var()
320 	kfree(label);  in plpks_write_var()
331 	struct label *label;  in plpks_remove_var()  local
341 	label = construct_label(component, varos, vname.name, vname.namelen);  in plpks_remove_var()
342 	if (IS_ERR(label)) {  in plpks_remove_var()
343 		rc = PTR_ERR(label);  in plpks_remove_var()
348 			 virt_to_phys(label), label->size);  in plpks_remove_var()
351 		rc = plpks_confirm_object_flushed(label, auth);  in plpks_remove_var()
358 	kfree(label);  in plpks_remove_var()
369 	struct label *label;  in plpks_read_var()  local
380 	label = construct_label(var->component, var->os, var->name,  in plpks_read_var()
382 	if (IS_ERR(label)) {  in plpks_read_var()
383 		rc = PTR_ERR(label);  in plpks_read_var()
394 			 virt_to_phys(label), label->size, virt_to_phys(output),  in plpks_read_var()
420 	kfree(label);  in plpks_read_var()