diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/netlink.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/netlink.h b/include/linux/netlink.h index 1619221c415c..d51e041d2242 100644 --- a/include/linux/netlink.h +++ b/include/linux/netlink.h @@ -139,6 +139,17 @@ struct netlink_ext_ack { } \ } while (0) +#define NL_REQ_ATTR_CHECK(extack, nest, tb, type) ({ \ + struct nlattr **__tb = (tb); \ + u32 __attr = (type); \ + int __retval; \ + \ + __retval = !__tb[__attr]; \ + if (__retval) \ + NL_SET_ERR_ATTR_MISS((extack), (nest), __attr); \ + __retval; \ +}) + static inline void nl_set_extack_cookie_u64(struct netlink_ext_ack *extack, u64 cookie) { |