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Diffstat (limited to 'include/linux/netlink.h')
-rw-r--r--include/linux/netlink.h23
1 files changed, 22 insertions, 1 deletions
diff --git a/include/linux/netlink.h b/include/linux/netlink.h
index c43ac7690eca..19c0791ed9d5 100644
--- a/include/linux/netlink.h
+++ b/include/linux/netlink.h
@@ -50,7 +50,6 @@ struct netlink_kernel_cfg {
struct mutex *cb_mutex;
int (*bind)(struct net *net, int group);
void (*unbind)(struct net *net, int group);
- bool (*compare)(struct net *net, struct sock *sk);
};
struct sock *__netlink_kernel_create(struct net *net, int unit,
@@ -162,9 +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); \
\