111 				     struct integrity_iint_cache *iint,  in ima_rdwr_violation_check()  argument
123 			if (!iint)  in ima_rdwr_violation_check()
124 				iint = integrity_iint_find(inode);  in ima_rdwr_violation_check()
126 			if (iint && test_bit(IMA_MUST_MEASURE,  in ima_rdwr_violation_check()
127 						&iint->atomic_flags))  in ima_rdwr_violation_check()
132 			set_bit(IMA_MUST_MEASURE, &iint->atomic_flags);  in ima_rdwr_violation_check()
143 		ima_add_violation(file, *pathname, iint,  in ima_rdwr_violation_check()
146 		ima_add_violation(file, *pathname, iint,  in ima_rdwr_violation_check()
150 static void ima_check_last_writer(struct integrity_iint_cache *iint,  in ima_check_last_writer()  argument
159 	mutex_lock(&iint->mutex);  in ima_check_last_writer()
162 					    &iint->atomic_flags);  in ima_check_last_writer()
164 		    !inode_eq_iversion(inode, iint->version) ||  in ima_check_last_writer()
165 		    (iint->flags & IMA_NEW_FILE)) {  in ima_check_last_writer()
166 			iint->flags &= ~(IMA_DONE_MASK | IMA_NEW_FILE);  in ima_check_last_writer()
167 			iint->measured_pcrs = 0;  in ima_check_last_writer()
169 				ima_update_xattr(iint, file);  in ima_check_last_writer()
172 	mutex_unlock(&iint->mutex);  in ima_check_last_writer()
184 	struct integrity_iint_cache *iint;  in ima_file_free()  local
189 	iint = integrity_iint_find(inode);  in ima_file_free()
190 	if (!iint)  in ima_file_free()
193 	ima_check_last_writer(iint, inode, file);  in ima_file_free()
201 	struct integrity_iint_cache *iint = NULL;  in process_measurement()  local
237 		iint = integrity_inode_get(inode);  in process_measurement()
238 		if (!iint)  in process_measurement()
243 		ima_rdwr_violation_check(file, iint, action & IMA_MEASURE,  in process_measurement()
253 	mutex_lock(&iint->mutex);  in process_measurement()
255 	if (test_and_clear_bit(IMA_CHANGE_ATTR, &iint->atomic_flags))  in process_measurement()
257 		iint->flags &= ~(IMA_APPRAISE | IMA_APPRAISED |  in process_measurement()
266 	if (test_and_clear_bit(IMA_CHANGE_XATTR, &iint->atomic_flags) ||  in process_measurement()
270 		iint->flags &= ~IMA_DONE_MASK;  in process_measurement()
271 		iint->measured_pcrs = 0;  in process_measurement()
278 	iint->flags |= action;  in process_measurement()
280 	action &= ~((iint->flags & (IMA_DONE_MASK ^ IMA_MEASURED)) >> 1);  in process_measurement()
283 	if ((action & IMA_MEASURE) && (iint->measured_pcrs & (0x1 << pcr)))  in process_measurement()
288 	    !(test_bit(IMA_DIGSIG, &iint->atomic_flags))) {  in process_measurement()
292 			set_bit(IMA_DIGSIG, &iint->atomic_flags);  in process_measurement()
293 		iint->flags |= IMA_HASHED;  in process_measurement()
295 		set_bit(IMA_UPDATE_XATTR, &iint->atomic_flags);  in process_measurement()
304 				rc = ima_get_cache_status(iint, func);  in process_measurement()
319 		if (iint->flags & IMA_MODSIG_ALLOWED) {  in process_measurement()
323 			    iint->flags & IMA_MEASURED)  in process_measurement()
330 	rc = ima_collect_measurement(iint, file, buf, size, hash_algo, modsig);  in process_measurement()
338 		ima_store_measurement(iint, file, pathname,  in process_measurement()
342 		rc = ima_check_blacklist(iint, modsig, pcr);  in process_measurement()
345 			rc = ima_appraise_measurement(func, iint, file,  in process_measurement()
355 		ima_audit_measurement(iint, pathname);  in process_measurement()
357 	if ((file->f_flags & O_DIRECT) && (iint->flags & IMA_PERMIT_DIRECTIO))  in process_measurement()
360 	if ((mask & MAY_WRITE) && test_bit(IMA_DIGSIG, &iint->atomic_flags) &&  in process_measurement()
361 	     !(iint->flags & IMA_NEW_FILE))  in process_measurement()
363 	mutex_unlock(&iint->mutex);  in process_measurement()
373 			set_bit(IMA_UPDATE_XATTR, &iint->atomic_flags);  in process_measurement()
525 	struct integrity_iint_cache *iint;  in ima_file_hash()  local
535 	iint = integrity_iint_find(inode);  in ima_file_hash()
536 	if (!iint)  in ima_file_hash()
539 	mutex_lock(&iint->mutex);  in ima_file_hash()
545 	if (!iint->ima_hash) {  in ima_file_hash()
546 		mutex_unlock(&iint->mutex);  in ima_file_hash()
553 		copied_size = min_t(size_t, iint->ima_hash->length, buf_size);  in ima_file_hash()
554 		memcpy(buf, iint->ima_hash->digest, copied_size);  in ima_file_hash()
556 	hash_algo = iint->ima_hash->algo;  in ima_file_hash()
557 	mutex_unlock(&iint->mutex);  in ima_file_hash()
573 	struct integrity_iint_cache *iint;  in ima_post_create_tmpfile()  local
581 	iint = integrity_inode_get(inode);  in ima_post_create_tmpfile()
582 	if (!iint)  in ima_post_create_tmpfile()
586 	set_bit(IMA_UPDATE_XATTR, &iint->atomic_flags);  in ima_post_create_tmpfile()
587 	iint->ima_file_status = INTEGRITY_PASS;  in ima_post_create_tmpfile()
599 	struct integrity_iint_cache *iint;  in ima_post_path_mknod()  local
608 	iint = integrity_inode_get(inode);  in ima_post_path_mknod()
609 	if (!iint)  in ima_post_path_mknod()
613 	iint->flags |= IMA_NEW_FILE;  in ima_post_path_mknod()
801 	struct integrity_iint_cache iint = {};  in process_buffer_measurement()  local
802 	struct ima_event_data event_data = {.iint = &iint,  in process_buffer_measurement()
849 	iint.ima_hash = &hash.hdr;  in process_buffer_measurement()
850 	iint.ima_hash->algo = ima_hash_algo;  in process_buffer_measurement()
851 	iint.ima_hash->length = hash_digest_size[ima_hash_algo];  in process_buffer_measurement()
853 	ret = ima_calc_buffer_hash(buf, size, iint.ima_hash);  in process_buffer_measurement()