96 	int rc = 0;  in ecryptfs_calculate_md5()  local
104 			rc = PTR_ERR(desc.tfm);  in ecryptfs_calculate_md5()
107 					rc);  in ecryptfs_calculate_md5()
112 	rc = crypto_hash_init(&desc);  in ecryptfs_calculate_md5()
113 	if (rc) {  in ecryptfs_calculate_md5()
116 		       __func__, rc);  in ecryptfs_calculate_md5()
119 	rc = crypto_hash_update(&desc, &sg, len);  in ecryptfs_calculate_md5()
120 	if (rc) {  in ecryptfs_calculate_md5()
123 		       __func__, rc);  in ecryptfs_calculate_md5()
126 	rc = crypto_hash_final(&desc, dst);  in ecryptfs_calculate_md5()
127 	if (rc) {  in ecryptfs_calculate_md5()
130 		       __func__, rc);  in ecryptfs_calculate_md5()
135 	return rc;  in ecryptfs_calculate_md5()
145 	int rc;  in ecryptfs_crypto_api_algify_cipher_name()  local
150 		rc = -ENOMEM;  in ecryptfs_crypto_api_algify_cipher_name()
155 	rc = 0;  in ecryptfs_crypto_api_algify_cipher_name()
157 	return rc;  in ecryptfs_crypto_api_algify_cipher_name()
174 	int rc = 0;  in ecryptfs_derive_iv()  local
193 	rc = ecryptfs_calculate_md5(dst, crypt_stat, src,  in ecryptfs_derive_iv()
195 	if (rc) {  in ecryptfs_derive_iv()
206 	return rc;  in ecryptfs_derive_iv()
316 	int rc;  member
319 static void extent_crypt_complete(struct crypto_async_request *req, int rc)  in extent_crypt_complete()  argument
323 	if (rc == -EINPROGRESS)  in extent_crypt_complete()
326 	ecr->rc = rc;  in extent_crypt_complete()
348 	int rc = 0;  in crypt_scatterlist()  local
365 		rc = -ENOMEM;  in crypt_scatterlist()
374 		rc = crypto_ablkcipher_setkey(crypt_stat->tfm, crypt_stat->key,  in crypt_scatterlist()
376 		if (rc) {  in crypt_scatterlist()
379 					rc);  in crypt_scatterlist()
381 			rc = -EINVAL;  in crypt_scatterlist()
388 	rc = op == ENCRYPT ? crypto_ablkcipher_encrypt(req) :  in crypt_scatterlist()
390 	if (rc == -EINPROGRESS || rc == -EBUSY) {  in crypt_scatterlist()
394 		rc = ecr->rc;  in crypt_scatterlist()
399 	return rc;  in crypt_scatterlist()
437 	int rc;  in crypt_extent()  local
440 	rc = ecryptfs_derive_iv(extent_iv, crypt_stat,  in crypt_extent()
442 	if (rc) {  in crypt_extent()
445 			(unsigned long long)(extent_base + extent_offset), rc);  in crypt_extent()
457 	rc = crypt_scatterlist(crypt_stat, &dst_sg, &src_sg, extent_size,  in crypt_extent()
459 	if (rc < 0) {  in crypt_extent()
462 		       "rc = [%d]\n", __func__, page_index, extent_offset, rc);  in crypt_extent()
465 	rc = 0;  in crypt_extent()
467 	return rc;  in crypt_extent()
494 	int rc = 0;  in ecryptfs_encrypt_page()  local
502 		rc = -ENOMEM;  in ecryptfs_encrypt_page()
511 		rc = crypt_extent(crypt_stat, enc_extent_page, page,  in ecryptfs_encrypt_page()
513 		if (rc) {  in ecryptfs_encrypt_page()
515 			       "rc = [%d]\n", __func__, rc);  in ecryptfs_encrypt_page()
522 	rc = ecryptfs_write_lower(ecryptfs_inode, enc_extent_virt, lower_offset,  in ecryptfs_encrypt_page()
525 	if (rc < 0) {  in ecryptfs_encrypt_page()
528 			rc);  in ecryptfs_encrypt_page()
531 	rc = 0;  in ecryptfs_encrypt_page()
536 	return rc;  in ecryptfs_encrypt_page()
562 	int rc = 0;  in ecryptfs_decrypt_page()  local
571 	rc = ecryptfs_read_lower(page_virt, lower_offset, PAGE_CACHE_SIZE,  in ecryptfs_decrypt_page()
574 	if (rc < 0) {  in ecryptfs_decrypt_page()
577 			rc);  in ecryptfs_decrypt_page()
584 		rc = crypt_extent(crypt_stat, page, page,  in ecryptfs_decrypt_page()
586 		if (rc) {  in ecryptfs_decrypt_page()
588 			       "rc = [%d]\n", __func__, rc);  in ecryptfs_decrypt_page()
593 	return rc;  in ecryptfs_decrypt_page()
610 	int rc = -EINVAL;  in ecryptfs_init_crypt_ctx()  local
619 		rc = 0;  in ecryptfs_init_crypt_ctx()
622 	rc = ecryptfs_crypto_api_algify_cipher_name(&full_alg_name,  in ecryptfs_init_crypt_ctx()
624 	if (rc)  in ecryptfs_init_crypt_ctx()
628 		rc = PTR_ERR(crypt_stat->tfm);  in ecryptfs_init_crypt_ctx()
636 	rc = 0;  in ecryptfs_init_crypt_ctx()
641 	return rc;  in ecryptfs_init_crypt_ctx()
686 	int rc = 0;  in ecryptfs_compute_root_iv()  local
692 		rc = -EINVAL;  in ecryptfs_compute_root_iv()
697 	rc = ecryptfs_calculate_md5(dst, crypt_stat, crypt_stat->key,  in ecryptfs_compute_root_iv()
699 	if (rc) {  in ecryptfs_compute_root_iv()
706 	if (rc) {  in ecryptfs_compute_root_iv()
710 	return rc;  in ecryptfs_compute_root_iv()
757 	int rc = 0;  in ecryptfs_copy_mount_wide_sigs_to_inode_sigs()  local
767 		rc = ecryptfs_add_keysig(crypt_stat, global_auth_tok->sig);  in ecryptfs_copy_mount_wide_sigs_to_inode_sigs()
768 		if (rc) {  in ecryptfs_copy_mount_wide_sigs_to_inode_sigs()
769 			printk(KERN_ERR "Error adding keysig; rc = [%d]\n", rc);  in ecryptfs_copy_mount_wide_sigs_to_inode_sigs()
777 	return rc;  in ecryptfs_copy_mount_wide_sigs_to_inode_sigs()
828 	int rc = 0;  in ecryptfs_new_file_context()  local
834 	rc = ecryptfs_copy_mount_wide_sigs_to_inode_sigs(crypt_stat,  in ecryptfs_new_file_context()
836 	if (rc) {  in ecryptfs_new_file_context()
838 		       "to the inode key sigs; rc = [%d]\n", rc);  in ecryptfs_new_file_context()
850 	rc = ecryptfs_init_crypt_ctx(crypt_stat);  in ecryptfs_new_file_context()
851 	if (rc)  in ecryptfs_new_file_context()
854 				crypt_stat->cipher, rc);  in ecryptfs_new_file_context()
856 	return rc;  in ecryptfs_new_file_context()
905 	int rc = 0;  in ecryptfs_process_flags()  local
919 	return rc;  in ecryptfs_process_flags()
1022 	int rc = 0;  in ecryptfs_cipher_code_to_string()  local
1032 		rc = -EINVAL;  in ecryptfs_cipher_code_to_string()
1034 	return rc;  in ecryptfs_cipher_code_to_string()
1041 	int rc;  in ecryptfs_read_and_validate_header_region()  local
1043 	rc = ecryptfs_read_lower(file_size, 0, ECRYPTFS_SIZE_AND_MARKER_BYTES,  in ecryptfs_read_and_validate_header_region()
1045 	if (rc < ECRYPTFS_SIZE_AND_MARKER_BYTES)  in ecryptfs_read_and_validate_header_region()
1046 		return rc >= 0 ? -EINVAL : rc;  in ecryptfs_read_and_validate_header_region()
1047 	rc = ecryptfs_validate_marker(marker);  in ecryptfs_read_and_validate_header_region()
1048 	if (!rc)  in ecryptfs_read_and_validate_header_region()
1050 	return rc;  in ecryptfs_read_and_validate_header_region()
1108 	int rc;  in ecryptfs_write_headers_virt()  local
1121 	rc = ecryptfs_generate_key_packet_set((page_virt + offset), crypt_stat,  in ecryptfs_write_headers_virt()
1124 	if (rc)  in ecryptfs_write_headers_virt()
1126 				"set; rc = [%d]\n", rc);  in ecryptfs_write_headers_virt()
1131 	return rc;  in ecryptfs_write_headers_virt()
1138 	int rc;  in ecryptfs_write_metadata_to_contents()  local
1140 	rc = ecryptfs_write_lower(ecryptfs_inode, virt,  in ecryptfs_write_metadata_to_contents()
1142 	if (rc < 0)  in ecryptfs_write_metadata_to_contents()
1144 		       "information to lower file; rc = [%d]\n", __func__, rc);  in ecryptfs_write_metadata_to_contents()
1146 		rc = 0;  in ecryptfs_write_metadata_to_contents()
1147 	return rc;  in ecryptfs_write_metadata_to_contents()
1154 	int rc;  in ecryptfs_write_metadata_to_xattr()  local
1156 	rc = ecryptfs_setxattr(ecryptfs_dentry, ECRYPTFS_XATTR_NAME, page_virt,  in ecryptfs_write_metadata_to_xattr()
1158 	return rc;  in ecryptfs_write_metadata_to_xattr()
1194 	int rc = 0;  in ecryptfs_write_metadata()  local
1199 			rc = -EINVAL;  in ecryptfs_write_metadata()
1205 		rc = -EINVAL;  in ecryptfs_write_metadata()
1214 		rc = -ENOMEM;  in ecryptfs_write_metadata()
1218 	rc = ecryptfs_write_headers_virt(virt, virt_len, &size, crypt_stat,  in ecryptfs_write_metadata()
1220 	if (unlikely(rc)) {  in ecryptfs_write_metadata()
1222 		       __func__, rc);  in ecryptfs_write_metadata()
1226 		rc = ecryptfs_write_metadata_to_xattr(ecryptfs_dentry, virt,  in ecryptfs_write_metadata()
1229 		rc = ecryptfs_write_metadata_to_contents(ecryptfs_inode, virt,  in ecryptfs_write_metadata()
1231 	if (rc) {  in ecryptfs_write_metadata()
1233 		       "rc = [%d]\n", __func__, rc);  in ecryptfs_write_metadata()
1239 	return rc;  in ecryptfs_write_metadata()
1248 	int rc = 0;  in parse_header_metadata()  local
1261 		rc = -EINVAL;  in parse_header_metadata()
1265 	return rc;  in parse_header_metadata()
1317 	int rc = 0;  in ecryptfs_read_headers_virt()  local
1325 	rc = ecryptfs_validate_marker(page_virt + offset);  in ecryptfs_read_headers_virt()
1326 	if (rc)  in ecryptfs_read_headers_virt()
1331 	rc = ecryptfs_process_flags(crypt_stat, (page_virt + offset),  in ecryptfs_read_headers_virt()
1333 	if (rc) {  in ecryptfs_read_headers_virt()
1343 		rc = -EINVAL;  in ecryptfs_read_headers_virt()
1348 		rc = parse_header_metadata(crypt_stat, (page_virt + offset),  in ecryptfs_read_headers_virt()
1350 		if (rc) {  in ecryptfs_read_headers_virt()
1352 					"metadata; rc = [%d]\n", rc);  in ecryptfs_read_headers_virt()
1357 	rc = ecryptfs_parse_packet_set(crypt_stat, (page_virt + offset),  in ecryptfs_read_headers_virt()
1360 	return rc;  in ecryptfs_read_headers_virt()
1378 	int rc = 0;  in ecryptfs_read_xattr_region()  local
1387 		rc = -EINVAL;  in ecryptfs_read_xattr_region()
1391 	return rc;  in ecryptfs_read_xattr_region()
1399 	int rc;  in ecryptfs_read_and_validate_xattr_region()  local
1401 	rc = ecryptfs_getxattr_lower(ecryptfs_dentry_to_lower(dentry),  in ecryptfs_read_and_validate_xattr_region()
1404 	if (rc < ECRYPTFS_SIZE_AND_MARKER_BYTES)  in ecryptfs_read_and_validate_xattr_region()
1405 		return rc >= 0 ? -EINVAL : rc;  in ecryptfs_read_and_validate_xattr_region()
1406 	rc = ecryptfs_validate_marker(marker);  in ecryptfs_read_and_validate_xattr_region()
1407 	if (!rc)  in ecryptfs_read_and_validate_xattr_region()
1409 	return rc;  in ecryptfs_read_and_validate_xattr_region()
1426 	int rc;  in ecryptfs_read_metadata()  local
1440 		rc = -ENOMEM;  in ecryptfs_read_metadata()
1445 	rc = ecryptfs_read_lower(page_virt, 0, crypt_stat->extent_size,  in ecryptfs_read_metadata()
1447 	if (rc >= 0)  in ecryptfs_read_metadata()
1448 		rc = ecryptfs_read_headers_virt(page_virt, crypt_stat,  in ecryptfs_read_metadata()
1451 	if (rc) {  in ecryptfs_read_metadata()
1454 		rc = ecryptfs_read_xattr_region(page_virt, ecryptfs_inode);  in ecryptfs_read_metadata()
1455 		if (rc) {  in ecryptfs_read_metadata()
1459 			rc = -EINVAL;  in ecryptfs_read_metadata()
1462 		rc = ecryptfs_read_headers_virt(page_virt, crypt_stat,  in ecryptfs_read_metadata()
1465 		if (rc) {  in ecryptfs_read_metadata()
1469 			rc = -EINVAL;  in ecryptfs_read_metadata()
1481 			rc = -EINVAL;  in ecryptfs_read_metadata()
1489 	return rc;  in ecryptfs_read_metadata()
1506 	int rc = 0;  in ecryptfs_encrypt_filename()  local
1516 		rc = ecryptfs_write_tag_70_packet(  in ecryptfs_encrypt_filename()
1521 		if (rc) {  in ecryptfs_encrypt_filename()
1524 			       rc);  in ecryptfs_encrypt_filename()
1534 			rc = -ENOMEM;  in ecryptfs_encrypt_filename()
1538 		rc = ecryptfs_write_tag_70_packet(filename->encrypted_filename,  in ecryptfs_encrypt_filename()
1544 		if (rc) {  in ecryptfs_encrypt_filename()
1547 			       rc);  in ecryptfs_encrypt_filename()
1557 		rc = -EOPNOTSUPP;  in ecryptfs_encrypt_filename()
1561 	return rc;  in ecryptfs_encrypt_filename()
1567 	int rc = 0;  in ecryptfs_copy_filename()  local
1571 		rc = -ENOMEM;  in ecryptfs_copy_filename()
1581 	return rc;  in ecryptfs_copy_filename()
1600 	int rc;  in ecryptfs_process_key_cipher()  local
1604 		rc = -EINVAL;  in ecryptfs_process_key_cipher()
1609 	rc = ecryptfs_crypto_api_algify_cipher_name(&full_alg_name, cipher_name,  in ecryptfs_process_key_cipher()
1611 	if (rc)  in ecryptfs_process_key_cipher()
1615 		rc = PTR_ERR(*key_tfm);  in ecryptfs_process_key_cipher()
1617 		       "[%s]; rc = [%d]\n", full_alg_name, rc);  in ecryptfs_process_key_cipher()
1627 	rc = crypto_blkcipher_setkey(*key_tfm, dummy_key, *key_size);  in ecryptfs_process_key_cipher()
1628 	if (rc) {  in ecryptfs_process_key_cipher()
1631 		       rc);  in ecryptfs_process_key_cipher()
1632 		rc = -EINVAL;  in ecryptfs_process_key_cipher()
1637 	return rc;  in ecryptfs_process_key_cipher()
1677 	int rc = 0;  in ecryptfs_add_new_key_tfm()  local
1685 		rc = -ENOMEM;  in ecryptfs_add_new_key_tfm()
1695 	rc = ecryptfs_process_key_cipher(&tmp_tfm->key_tfm,  in ecryptfs_add_new_key_tfm()
1698 	if (rc) {  in ecryptfs_add_new_key_tfm()
1701 		       tmp_tfm->cipher_name, rc);  in ecryptfs_add_new_key_tfm()
1709 	return rc;  in ecryptfs_add_new_key_tfm()
1756 	int rc = 0;  in ecryptfs_get_tfm_and_mutex_for_cipher_name()  local
1763 		rc = ecryptfs_add_new_key_tfm(&key_tfm, cipher_name, 0);  in ecryptfs_get_tfm_and_mutex_for_cipher_name()
1764 		if (rc) {  in ecryptfs_get_tfm_and_mutex_for_cipher_name()
1766 					"rc = [%d]\n", rc);  in ecryptfs_get_tfm_and_mutex_for_cipher_name()
1774 	return rc;  in ecryptfs_get_tfm_and_mutex_for_cipher_name()
1953 	int rc = 0;  in ecryptfs_encrypt_and_encode_filename()  local
1967 			rc = -ENOMEM;  in ecryptfs_encrypt_and_encode_filename()
1972 		rc = ecryptfs_encrypt_filename(filename, crypt_stat,  in ecryptfs_encrypt_and_encode_filename()
1974 		if (rc) {  in ecryptfs_encrypt_and_encode_filename()
1976 			       "filename; rc = [%d]\n", __func__, rc);  in ecryptfs_encrypt_and_encode_filename()
2001 			rc = -ENOMEM;  in ecryptfs_encrypt_and_encode_filename()
2025 			rc = -EOPNOTSUPP;  in ecryptfs_encrypt_and_encode_filename()
2027 		if (rc) {  in ecryptfs_encrypt_and_encode_filename()
2030 			       rc);  in ecryptfs_encrypt_and_encode_filename()
2038 		rc = ecryptfs_copy_filename(encoded_name,  in ecryptfs_encrypt_and_encode_filename()
2043 	return rc;  in ecryptfs_encrypt_and_encode_filename()
2068 	int rc = 0;  in ecryptfs_decode_and_decrypt_filename()  local
2087 			rc = -ENOMEM;  in ecryptfs_decode_and_decrypt_filename()
2092 		rc = ecryptfs_parse_tag_70_packet(plaintext_name,  in ecryptfs_decode_and_decrypt_filename()
2098 		if (rc) {  in ecryptfs_decode_and_decrypt_filename()
2102 			rc = ecryptfs_copy_filename(plaintext_name,  in ecryptfs_decode_and_decrypt_filename()
2108 		rc = ecryptfs_copy_filename(plaintext_name,  in ecryptfs_decode_and_decrypt_filename()
2116 	return rc;  in ecryptfs_decode_and_decrypt_filename()
2127 	int rc;  in ecryptfs_set_f_namelen()  local
2134 	rc = ecryptfs_get_tfm_and_mutex_for_cipher_name(&desc.tfm, &tfm_mutex,  in ecryptfs_set_f_namelen()
2136 	if (unlikely(rc)) {  in ecryptfs_set_f_namelen()
2138 		return rc;  in ecryptfs_set_f_namelen()