353 static bool is_v2header(size_t size, const struct vfs_cap_data *cap)  in is_v2header()  argument
355 	if (size != XATTR_CAPS_SZ_2)  in is_v2header()
360 static bool is_v3header(size_t size, const struct vfs_cap_data *cap)  in is_v3header()  argument
362 	if (size != XATTR_CAPS_SZ_3)  in is_v3header()
382 	int size, ret;  in cap_inode_getsecurity()  local
399 	size = sizeof(struct vfs_ns_cap_data);  in cap_inode_getsecurity()
401 				      &tmpbuf, size, GFP_NOFS);  in cap_inode_getsecurity()
405 		size = ret;  in cap_inode_getsecurity()
417 		size = -EINVAL;  in cap_inode_getsecurity()
430 		size = sizeof(struct vfs_ns_cap_data);  in cap_inode_getsecurity()
434 				nscap = kzalloc(size, GFP_ATOMIC);  in cap_inode_getsecurity()
436 					size = -ENOMEM;  in cap_inode_getsecurity()
456 		size = -EOVERFLOW;  in cap_inode_getsecurity()
461 	size = sizeof(struct vfs_cap_data);  in cap_inode_getsecurity()
465 			cap = kzalloc(size, GFP_ATOMIC);  in cap_inode_getsecurity()
467 				size = -ENOMEM;  in cap_inode_getsecurity()
484 	return size;  in cap_inode_getsecurity()
502 static kuid_t rootid_from_xattr(const void *value, size_t size,  in rootid_from_xattr()  argument
511 	if (size == XATTR_CAPS_SZ_3)  in rootid_from_xattr()
518 static bool validheader(size_t size, const struct vfs_cap_data *cap)  in validheader()  argument
520 	return is_v2header(size, cap) || is_v3header(size, cap);  in validheader()
543 		      const void **ivalue, size_t size)  in cap_convert_nscap()  argument
557 	if (!validheader(size, cap))  in cap_convert_nscap()
561 	if (size == XATTR_CAPS_SZ_2 && (mnt_userns == fs_ns))  in cap_convert_nscap()
564 			return size;  in cap_convert_nscap()
566 	rootid = rootid_from_xattr(*ivalue, size, task_ns, mnt_userns, fs_ns);  in cap_convert_nscap()
656 	int size;  in get_vfs_caps_from_disk()  local
668 	size = __vfs_getxattr((struct dentry *)dentry, inode,  in get_vfs_caps_from_disk()
670 	if (size == -ENODATA || size == -EOPNOTSUPP)  in get_vfs_caps_from_disk()
674 	if (size < 0)  in get_vfs_caps_from_disk()
675 		return size;  in get_vfs_caps_from_disk()
677 	if (size < sizeof(magic_etc))  in get_vfs_caps_from_disk()
685 		if (size != XATTR_CAPS_SZ_1)  in get_vfs_caps_from_disk()
690 		if (size != XATTR_CAPS_SZ_2)  in get_vfs_caps_from_disk()
695 		if (size != XATTR_CAPS_SZ_3)  in get_vfs_caps_from_disk()
998 		       const void *value, size_t size, int flags)  in cap_inode_setxattr()  argument