77 	if (str->len == 1 && str->name[0] == '.')  in fscrypt_is_dot_dotdot()
80 	if (str->len == 2 && str->name[0] == '.' && str->name[1] == '.')  in fscrypt_is_dot_dotdot()
115 	memcpy(out, iname->name, iname->len);  in fscrypt_fname_encrypt()
177 	sg_init_one(&src_sg, iname->name, iname->len);  in fname_decrypt()
178 	sg_init_one(&dst_sg, oname->name, oname->len);  in fname_decrypt()
187 	oname->len = strnlen(oname->name, iname->len);  in fname_decrypt()
325 	crypto_str->name = kmalloc(max_presented_len + 1, GFP_NOFS);  in fscrypt_fname_alloc_buffer()
326 	if (!crypto_str->name)  in fscrypt_fname_alloc_buffer()
343 	kfree(crypto_str->name);  in fscrypt_fname_free_buffer()
344 	crypto_str->name = NULL;  in fscrypt_fname_free_buffer()
379 		oname->name[0] = '.';  in fscrypt_fname_disk_to_usr()
380 		oname->name[iname->len - 1] = '.';  in fscrypt_fname_disk_to_usr()
405 		memcpy(nokey_name.bytes, iname->name, iname->len);  in fscrypt_fname_disk_to_usr()
408 		memcpy(nokey_name.bytes, iname->name, sizeof(nokey_name.bytes));  in fscrypt_fname_disk_to_usr()
410 		sha256(&iname->name[sizeof(nokey_name.bytes)],  in fscrypt_fname_disk_to_usr()
416 					      oname->name);  in fscrypt_fname_disk_to_usr()
454 		fname->disk_name.name = (unsigned char *)iname->name;  in fscrypt_setup_filename()
466 		fname->crypto_buf.name = kmalloc(fname->crypto_buf.len,  in fscrypt_setup_filename()
468 		if (!fname->crypto_buf.name)  in fscrypt_setup_filename()
471 		ret = fscrypt_fname_encrypt(dir, iname, fname->crypto_buf.name,  in fscrypt_setup_filename()
475 		fname->disk_name.name = fname->crypto_buf.name;  in fscrypt_setup_filename()
491 	fname->crypto_buf.name = kmalloc(FSCRYPT_NOKEY_NAME_MAX, GFP_KERNEL);  in fscrypt_setup_filename()
492 	if (fname->crypto_buf.name == NULL)  in fscrypt_setup_filename()
495 	ret = fscrypt_base64url_decode(iname->name, iname->len,  in fscrypt_setup_filename()
496 				       fname->crypto_buf.name);  in fscrypt_setup_filename()
505 	nokey_name = (void *)fname->crypto_buf.name;  in fscrypt_setup_filename()
510 		fname->disk_name.name = nokey_name->bytes;  in fscrypt_setup_filename()
517 	kfree(fname->crypto_buf.name);  in fscrypt_setup_filename()
540 		(const void *)fname->crypto_buf.name;  in fscrypt_match_name()
543 	if (likely(fname->disk_name.name)) {  in fscrypt_match_name()
546 		return !memcmp(de_name, fname->disk_name.name, de_name_len);  in fscrypt_match_name()
569 u64 fscrypt_fname_siphash(const struct inode *dir, const struct qstr *name)  in fscrypt_fname_siphash()  argument
575 	return siphash(name->name, name->len, &ci->ci_dirhash_key);  in fscrypt_fname_siphash()