diff options
| -rw-r--r-- | include/linux/netlink.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/include/linux/netlink.h b/include/linux/netlink.h index 3e8743252167..19c0791ed9d5 100644 --- a/include/linux/netlink.h +++ b/include/linux/netlink.h @@ -161,9 +161,31 @@ struct netlink_ext_ack { } \ } while (0) +#define NL_SET_ERR_MSG_ATTR_POL_FMT(extack, attr, pol, fmt, args...) do { \ + struct netlink_ext_ack *__extack = (extack); \ + \ + if (!__extack) \ + break; \ + \ + if (snprintf(__extack->_msg_buf, NETLINK_MAX_FMTMSG_LEN, \ + "%s" fmt "%s", "", ##args, "") >= \ + NETLINK_MAX_FMTMSG_LEN) \ + net_warn_ratelimited("%s" fmt "%s", "truncated extack: ", \ + ##args, "\n"); \ + \ + do_trace_netlink_extack(__extack->_msg_buf); \ + \ + __extack->_msg = __extack->_msg_buf; \ + __extack->bad_attr = (attr); \ + __extack->policy = (pol); \ +} while (0) + #define NL_SET_ERR_MSG_ATTR(extack, attr, msg) \ NL_SET_ERR_MSG_ATTR_POL(extack, attr, NULL, msg) +#define NL_SET_ERR_MSG_ATTR_FMT(extack, attr, msg, args...) \ + NL_SET_ERR_MSG_ATTR_POL_FMT(extack, attr, NULL, msg, ##args) + #define NL_SET_ERR_ATTR_MISS(extack, nest, type) do { \ struct netlink_ext_ack *__extack = (extack); \ \ |