1 files changed, 6 insertions, 1 deletions

diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 1823b7c6315..2cbf1682f63 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1426,7 +1426,12 @@ int netlink_dump_start(struct sock *ssk, struct sk_buff *skb,
 
         netlink_dump(sk);
         sock_put(sk);
-        return 0;
+
+        /* We successfully started a dump, by returning -EINTR we
+         * signal the queue mangement to interrupt processing of
+         * any netlink messages so userspace gets a chance to read
+         * the results. */
+        return -EINTR;
 }
 
 void netlink_ack(struct sk_buff *in_skb, struct nlmsghdr *nlh, int err)