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-rw-r--r--net/netlink/af_netlink.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index ed587be1e1c..2760b62dc2c 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1760,12 +1760,18 @@ int nlmsg_notify(struct sock *sk, struct sk_buff *skb, u32 pid,
exclude_pid = pid;
}
- /* errors reported via destination sk->sk_err */
- nlmsg_multicast(sk, skb, exclude_pid, group, flags);
+ /* errors reported via destination sk->sk_err, but propagate
+ * delivery errors if NETLINK_BROADCAST_ERROR flag is set */
+ err = nlmsg_multicast(sk, skb, exclude_pid, group, flags);
}
- if (report)
- err = nlmsg_unicast(sk, skb, pid);
+ if (report) {
+ int err2;
+
+ err2 = nlmsg_unicast(sk, skb, pid);
+ if (!err || err == -ESRCH)
+ err = err2;
+ }
return err;
}