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()
315 	int rc;  member
318 static void extent_crypt_complete(struct crypto_async_request *req, int rc)  in extent_crypt_complete()  argument
322 	if (rc == -EINPROGRESS)  in extent_crypt_complete()
325 	ecr->rc = rc;  in extent_crypt_complete()
347 	int rc = 0;  in crypt_scatterlist()  local
364 		rc = -ENOMEM;  in crypt_scatterlist()
373 		rc = crypto_ablkcipher_setkey(crypt_stat->tfm, crypt_stat->key,  in crypt_scatterlist()
375 		if (rc) {  in crypt_scatterlist()
378 					rc);  in crypt_scatterlist()
380 			rc = -EINVAL;  in crypt_scatterlist()
387 	rc = op == ENCRYPT ? crypto_ablkcipher_encrypt(req) :  in crypt_scatterlist()
389 	if (rc == -EINPROGRESS || rc == -EBUSY) {  in crypt_scatterlist()
393 		rc = ecr->rc;  in crypt_scatterlist()
398 	return rc;  in crypt_scatterlist()
436 	int rc;  in crypt_extent()  local
439 	rc = ecryptfs_derive_iv(extent_iv, crypt_stat,  in crypt_extent()
441 	if (rc) {  in crypt_extent()
444 			(unsigned long long)(extent_base + extent_offset), rc);  in crypt_extent()
456 	rc = crypt_scatterlist(crypt_stat, &dst_sg, &src_sg, extent_size,  in crypt_extent()
458 	if (rc < 0) {  in crypt_extent()
461 		       "rc = [%d]\n", __func__, page_index, extent_offset, rc);  in crypt_extent()
464 	rc = 0;  in crypt_extent()
466 	return rc;  in crypt_extent()
493 	int rc = 0;  in ecryptfs_encrypt_page()  local
501 		rc = -ENOMEM;  in ecryptfs_encrypt_page()
510 		rc = crypt_extent(crypt_stat, enc_extent_page, page,  in ecryptfs_encrypt_page()
512 		if (rc) {  in ecryptfs_encrypt_page()
514 			       "rc = [%d]\n", __func__, rc);  in ecryptfs_encrypt_page()
521 	rc = ecryptfs_write_lower(ecryptfs_inode, enc_extent_virt, lower_offset,  in ecryptfs_encrypt_page()
524 	if (rc < 0) {  in ecryptfs_encrypt_page()
527 			rc);  in ecryptfs_encrypt_page()
530 	rc = 0;  in ecryptfs_encrypt_page()
535 	return rc;  in ecryptfs_encrypt_page()
561 	int rc = 0;  in ecryptfs_decrypt_page()  local
570 	rc = ecryptfs_read_lower(page_virt, lower_offset, PAGE_CACHE_SIZE,  in ecryptfs_decrypt_page()
573 	if (rc < 0) {  in ecryptfs_decrypt_page()
576 			rc);  in ecryptfs_decrypt_page()
583 		rc = crypt_extent(crypt_stat, page, page,  in ecryptfs_decrypt_page()
585 		if (rc) {  in ecryptfs_decrypt_page()
587 			       "rc = [%d]\n", __func__, rc);  in ecryptfs_decrypt_page()
592 	return rc;  in ecryptfs_decrypt_page()
609 	int rc = -EINVAL;  in ecryptfs_init_crypt_ctx()  local
618 		rc = 0;  in ecryptfs_init_crypt_ctx()
621 	rc = ecryptfs_crypto_api_algify_cipher_name(&full_alg_name,  in ecryptfs_init_crypt_ctx()
623 	if (rc)  in ecryptfs_init_crypt_ctx()
627 		rc = PTR_ERR(crypt_stat->tfm);  in ecryptfs_init_crypt_ctx()
635 	rc = 0;  in ecryptfs_init_crypt_ctx()
640 	return rc;  in ecryptfs_init_crypt_ctx()
685 	int rc = 0;  in ecryptfs_compute_root_iv()  local
691 		rc = -EINVAL;  in ecryptfs_compute_root_iv()
696 	rc = ecryptfs_calculate_md5(dst, crypt_stat, crypt_stat->key,  in ecryptfs_compute_root_iv()
698 	if (rc) {  in ecryptfs_compute_root_iv()
705 	if (rc) {  in ecryptfs_compute_root_iv()
709 	return rc;  in ecryptfs_compute_root_iv()
756 	int rc = 0;  in ecryptfs_copy_mount_wide_sigs_to_inode_sigs()  local
766 		rc = ecryptfs_add_keysig(crypt_stat, global_auth_tok->sig);  in ecryptfs_copy_mount_wide_sigs_to_inode_sigs()
767 		if (rc) {  in ecryptfs_copy_mount_wide_sigs_to_inode_sigs()
768 			printk(KERN_ERR "Error adding keysig; rc = [%d]\n", rc);  in ecryptfs_copy_mount_wide_sigs_to_inode_sigs()
776 	return rc;  in ecryptfs_copy_mount_wide_sigs_to_inode_sigs()
827 	int rc = 0;  in ecryptfs_new_file_context()  local
833 	rc = ecryptfs_copy_mount_wide_sigs_to_inode_sigs(crypt_stat,  in ecryptfs_new_file_context()
835 	if (rc) {  in ecryptfs_new_file_context()
837 		       "to the inode key sigs; rc = [%d]\n", rc);  in ecryptfs_new_file_context()
849 	rc = ecryptfs_init_crypt_ctx(crypt_stat);  in ecryptfs_new_file_context()
850 	if (rc)  in ecryptfs_new_file_context()
853 				crypt_stat->cipher, rc);  in ecryptfs_new_file_context()
855 	return rc;  in ecryptfs_new_file_context()
904 	int rc = 0;  in ecryptfs_process_flags()  local
918 	return rc;  in ecryptfs_process_flags()
1021 	int rc = 0;  in ecryptfs_cipher_code_to_string()  local
1031 		rc = -EINVAL;  in ecryptfs_cipher_code_to_string()
1033 	return rc;  in ecryptfs_cipher_code_to_string()
1040 	int rc;  in ecryptfs_read_and_validate_header_region()  local
1042 	rc = ecryptfs_read_lower(file_size, 0, ECRYPTFS_SIZE_AND_MARKER_BYTES,  in ecryptfs_read_and_validate_header_region()
1044 	if (rc < ECRYPTFS_SIZE_AND_MARKER_BYTES)  in ecryptfs_read_and_validate_header_region()
1045 		return rc >= 0 ? -EINVAL : rc;  in ecryptfs_read_and_validate_header_region()
1046 	rc = ecryptfs_validate_marker(marker);  in ecryptfs_read_and_validate_header_region()
1047 	if (!rc)  in ecryptfs_read_and_validate_header_region()
1049 	return rc;  in ecryptfs_read_and_validate_header_region()
1107 	int rc;  in ecryptfs_write_headers_virt()  local
1120 	rc = ecryptfs_generate_key_packet_set((page_virt + offset), crypt_stat,  in ecryptfs_write_headers_virt()
1123 	if (rc)  in ecryptfs_write_headers_virt()
1125 				"set; rc = [%d]\n", rc);  in ecryptfs_write_headers_virt()
1130 	return rc;  in ecryptfs_write_headers_virt()
1137 	int rc;  in ecryptfs_write_metadata_to_contents()  local
1139 	rc = ecryptfs_write_lower(ecryptfs_inode, virt,  in ecryptfs_write_metadata_to_contents()
1141 	if (rc < 0)  in ecryptfs_write_metadata_to_contents()
1143 		       "information to lower file; rc = [%d]\n", __func__, rc);  in ecryptfs_write_metadata_to_contents()
1145 		rc = 0;  in ecryptfs_write_metadata_to_contents()
1146 	return rc;  in ecryptfs_write_metadata_to_contents()
1153 	int rc;  in ecryptfs_write_metadata_to_xattr()  local
1155 	rc = ecryptfs_setxattr(ecryptfs_dentry, ECRYPTFS_XATTR_NAME, page_virt,  in ecryptfs_write_metadata_to_xattr()
1157 	return rc;  in ecryptfs_write_metadata_to_xattr()
1193 	int rc = 0;  in ecryptfs_write_metadata()  local
1198 			rc = -EINVAL;  in ecryptfs_write_metadata()
1204 		rc = -EINVAL;  in ecryptfs_write_metadata()
1213 		rc = -ENOMEM;  in ecryptfs_write_metadata()
1217 	rc = ecryptfs_write_headers_virt(virt, virt_len, &size, crypt_stat,  in ecryptfs_write_metadata()
1219 	if (unlikely(rc)) {  in ecryptfs_write_metadata()
1221 		       __func__, rc);  in ecryptfs_write_metadata()
1225 		rc = ecryptfs_write_metadata_to_xattr(ecryptfs_dentry, virt,  in ecryptfs_write_metadata()
1228 		rc = ecryptfs_write_metadata_to_contents(ecryptfs_inode, virt,  in ecryptfs_write_metadata()
1230 	if (rc) {  in ecryptfs_write_metadata()
1232 		       "rc = [%d]\n", __func__, rc);  in ecryptfs_write_metadata()
1238 	return rc;  in ecryptfs_write_metadata()
1247 	int rc = 0;  in parse_header_metadata()  local
1260 		rc = -EINVAL;  in parse_header_metadata()
1264 	return rc;  in parse_header_metadata()
1316 	int rc = 0;  in ecryptfs_read_headers_virt()  local
1324 	rc = ecryptfs_validate_marker(page_virt + offset);  in ecryptfs_read_headers_virt()
1325 	if (rc)  in ecryptfs_read_headers_virt()
1330 	rc = ecryptfs_process_flags(crypt_stat, (page_virt + offset),  in ecryptfs_read_headers_virt()
1332 	if (rc) {  in ecryptfs_read_headers_virt()
1342 		rc = -EINVAL;  in ecryptfs_read_headers_virt()
1347 		rc = parse_header_metadata(crypt_stat, (page_virt + offset),  in ecryptfs_read_headers_virt()
1349 		if (rc) {  in ecryptfs_read_headers_virt()
1351 					"metadata; rc = [%d]\n", rc);  in ecryptfs_read_headers_virt()
1356 	rc = ecryptfs_parse_packet_set(crypt_stat, (page_virt + offset),  in ecryptfs_read_headers_virt()
1359 	return rc;  in ecryptfs_read_headers_virt()
1377 	int rc = 0;  in ecryptfs_read_xattr_region()  local
1386 		rc = -EINVAL;  in ecryptfs_read_xattr_region()
1390 	return rc;  in ecryptfs_read_xattr_region()
1398 	int rc;  in ecryptfs_read_and_validate_xattr_region()  local
1400 	rc = ecryptfs_getxattr_lower(ecryptfs_dentry_to_lower(dentry),  in ecryptfs_read_and_validate_xattr_region()
1403 	if (rc < ECRYPTFS_SIZE_AND_MARKER_BYTES)  in ecryptfs_read_and_validate_xattr_region()
1404 		return rc >= 0 ? -EINVAL : rc;  in ecryptfs_read_and_validate_xattr_region()
1405 	rc = ecryptfs_validate_marker(marker);  in ecryptfs_read_and_validate_xattr_region()
1406 	if (!rc)  in ecryptfs_read_and_validate_xattr_region()
1408 	return rc;  in ecryptfs_read_and_validate_xattr_region()
1425 	int rc;  in ecryptfs_read_metadata()  local
1439 		rc = -ENOMEM;  in ecryptfs_read_metadata()
1444 	rc = ecryptfs_read_lower(page_virt, 0, crypt_stat->extent_size,  in ecryptfs_read_metadata()
1446 	if (rc >= 0)  in ecryptfs_read_metadata()
1447 		rc = ecryptfs_read_headers_virt(page_virt, crypt_stat,  in ecryptfs_read_metadata()
1450 	if (rc) {  in ecryptfs_read_metadata()
1453 		rc = ecryptfs_read_xattr_region(page_virt, ecryptfs_inode);  in ecryptfs_read_metadata()
1454 		if (rc) {  in ecryptfs_read_metadata()
1458 			rc = -EINVAL;  in ecryptfs_read_metadata()
1461 		rc = ecryptfs_read_headers_virt(page_virt, crypt_stat,  in ecryptfs_read_metadata()
1464 		if (rc) {  in ecryptfs_read_metadata()
1468 			rc = -EINVAL;  in ecryptfs_read_metadata()
1480 			rc = -EINVAL;  in ecryptfs_read_metadata()
1488 	return rc;  in ecryptfs_read_metadata()
1505 	int rc = 0;  in ecryptfs_encrypt_filename()  local
1515 		rc = ecryptfs_write_tag_70_packet(  in ecryptfs_encrypt_filename()
1520 		if (rc) {  in ecryptfs_encrypt_filename()
1523 			       rc);  in ecryptfs_encrypt_filename()
1533 			rc = -ENOMEM;  in ecryptfs_encrypt_filename()
1537 		rc = ecryptfs_write_tag_70_packet(filename->encrypted_filename,  in ecryptfs_encrypt_filename()
1543 		if (rc) {  in ecryptfs_encrypt_filename()
1546 			       rc);  in ecryptfs_encrypt_filename()
1556 		rc = -EOPNOTSUPP;  in ecryptfs_encrypt_filename()
1560 	return rc;  in ecryptfs_encrypt_filename()
1566 	int rc = 0;  in ecryptfs_copy_filename()  local
1570 		rc = -ENOMEM;  in ecryptfs_copy_filename()
1580 	return rc;  in ecryptfs_copy_filename()
1599 	int rc;  in ecryptfs_process_key_cipher()  local
1603 		rc = -EINVAL;  in ecryptfs_process_key_cipher()
1608 	rc = ecryptfs_crypto_api_algify_cipher_name(&full_alg_name, cipher_name,  in ecryptfs_process_key_cipher()
1610 	if (rc)  in ecryptfs_process_key_cipher()
1614 		rc = PTR_ERR(*key_tfm);  in ecryptfs_process_key_cipher()
1616 		       "[%s]; rc = [%d]\n", full_alg_name, rc);  in ecryptfs_process_key_cipher()
1626 	rc = crypto_blkcipher_setkey(*key_tfm, dummy_key, *key_size);  in ecryptfs_process_key_cipher()
1627 	if (rc) {  in ecryptfs_process_key_cipher()
1630 		       rc);  in ecryptfs_process_key_cipher()
1631 		rc = -EINVAL;  in ecryptfs_process_key_cipher()
1636 	return rc;  in ecryptfs_process_key_cipher()
1676 	int rc = 0;  in ecryptfs_add_new_key_tfm()  local
1684 		rc = -ENOMEM;  in ecryptfs_add_new_key_tfm()
1694 	rc = ecryptfs_process_key_cipher(&tmp_tfm->key_tfm,  in ecryptfs_add_new_key_tfm()
1697 	if (rc) {  in ecryptfs_add_new_key_tfm()
1700 		       tmp_tfm->cipher_name, rc);  in ecryptfs_add_new_key_tfm()
1708 	return rc;  in ecryptfs_add_new_key_tfm()
1755 	int rc = 0;  in ecryptfs_get_tfm_and_mutex_for_cipher_name()  local
1762 		rc = ecryptfs_add_new_key_tfm(&key_tfm, cipher_name, 0);  in ecryptfs_get_tfm_and_mutex_for_cipher_name()
1763 		if (rc) {  in ecryptfs_get_tfm_and_mutex_for_cipher_name()
1765 					"rc = [%d]\n", rc);  in ecryptfs_get_tfm_and_mutex_for_cipher_name()
1773 	return rc;  in ecryptfs_get_tfm_and_mutex_for_cipher_name()
1952 	int rc = 0;  in ecryptfs_encrypt_and_encode_filename()  local
1966 			rc = -ENOMEM;  in ecryptfs_encrypt_and_encode_filename()
1971 		rc = ecryptfs_encrypt_filename(filename, crypt_stat,  in ecryptfs_encrypt_and_encode_filename()
1973 		if (rc) {  in ecryptfs_encrypt_and_encode_filename()
1975 			       "filename; rc = [%d]\n", __func__, rc);  in ecryptfs_encrypt_and_encode_filename()
2000 			rc = -ENOMEM;  in ecryptfs_encrypt_and_encode_filename()
2024 			rc = -EOPNOTSUPP;  in ecryptfs_encrypt_and_encode_filename()
2026 		if (rc) {  in ecryptfs_encrypt_and_encode_filename()
2029 			       rc);  in ecryptfs_encrypt_and_encode_filename()
2037 		rc = ecryptfs_copy_filename(encoded_name,  in ecryptfs_encrypt_and_encode_filename()
2042 	return rc;  in ecryptfs_encrypt_and_encode_filename()
2067 	int rc = 0;  in ecryptfs_decode_and_decrypt_filename()  local
2086 			rc = -ENOMEM;  in ecryptfs_decode_and_decrypt_filename()
2091 		rc = ecryptfs_parse_tag_70_packet(plaintext_name,  in ecryptfs_decode_and_decrypt_filename()
2097 		if (rc) {  in ecryptfs_decode_and_decrypt_filename()
2101 			rc = ecryptfs_copy_filename(plaintext_name,  in ecryptfs_decode_and_decrypt_filename()
2107 		rc = ecryptfs_copy_filename(plaintext_name,  in ecryptfs_decode_and_decrypt_filename()
2115 	return rc;  in ecryptfs_decode_and_decrypt_filename()
2126 	int rc;  in ecryptfs_set_f_namelen()  local
2133 	rc = ecryptfs_get_tfm_and_mutex_for_cipher_name(&desc.tfm, &tfm_mutex,  in ecryptfs_set_f_namelen()
2135 	if (unlikely(rc)) {  in ecryptfs_set_f_namelen()
2137 		return rc;  in ecryptfs_set_f_namelen()