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Diffstat (limited to 'net/netlink/af_netlink.c')
-rw-r--r--net/netlink/af_netlink.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 629b06182f3f..4d751e3d4b4b 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1645,6 +1645,24 @@ static void netlink_destroy_callback(struct netlink_callback *cb)
kfree(cb);
}
+struct nlmsghdr *
+__nlmsg_put(struct sk_buff *skb, u32 pid, u32 seq, int type, int len, int flags)
+{
+ struct nlmsghdr *nlh;
+ int size = NLMSG_LENGTH(len);
+
+ nlh = (struct nlmsghdr*)skb_put(skb, NLMSG_ALIGN(size));
+ nlh->nlmsg_type = type;
+ nlh->nlmsg_len = size;
+ nlh->nlmsg_flags = flags;
+ nlh->nlmsg_pid = pid;
+ nlh->nlmsg_seq = seq;
+ if (!__builtin_constant_p(size) || NLMSG_ALIGN(size) - size != 0)
+ memset(NLMSG_DATA(nlh) + len, 0, NLMSG_ALIGN(size) - size);
+ return nlh;
+}
+EXPORT_SYMBOL(__nlmsg_put);
+
/*
* It looks a bit ugly.
* It would be better to create kernel thread.