1 files changed, 4 insertions, 2 deletions

diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 790187b5c308..c6bcc93debd5 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -914,9 +914,11 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
                                     .fl4_src = saddr,
                                     .fl4_tos = tos,
                                     .proto = sk->sk_protocol,
-                                    .flags = inet_sk_flowi_flags(sk),
+                                    .flags = (inet_sk_flowi_flags(sk) |
+                                              FLOWI_FLAG_CAN_SLEEP),
                                     .fl_ip_sport = inet->inet_sport,
-                                    .fl_ip_dport = dport };
+                                    .fl_ip_dport = dport
+                };
                 struct net *net = sock_net(sk);
 
                 security_sk_classify_flow(sk, &fl);