2 files changed, 4 insertions, 0 deletions

diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 6d6142f9c478..865d75214a9a 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -675,6 +675,8 @@ do_append_data:
                 udp_flush_pending_frames(sk);
         else if (!corkreq)
                 err = udp_push_pending_frames(sk, up);
+        else if (unlikely(skb_queue_empty(&sk->sk_write_queue)))
+                up->pending = 0;
         release_sock(sk);
 
 out:
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 552ec0f449af..e0c3934a7e4b 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -770,6 +770,8 @@ do_append_data:
                 udp_v6_flush_pending_frames(sk);
         else if (!corkreq)
                 err = udp_v6_push_pending_frames(sk, up);
+        else if (unlikely(skb_queue_empty(&sk->sk_write_queue)))
+                up->pending = 0;
 
         if (dst) {
                 if (connected) {