1 files changed, 4 insertions, 1 deletions

diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 41f8c9c08dba..328985c40883 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -453,8 +453,11 @@ csum_copy_err:
         }
         unlock_sock_fast(sk, slow);
 
-        if (flags & MSG_DONTWAIT)
+        if (noblock)
                 return -EAGAIN;
+
+        /* starting over for a new packet */
+        msg->msg_flags &= ~MSG_TRUNC;
         goto try_again;
 }