1 files changed, 5 insertions, 0 deletions

diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index fee06b99a4da..e37b2cbbf177 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -71,6 +71,7 @@
 #include <net/route.h>
 #include <net/ipv6.h>
 #include <net/inet_common.h>
+#include <net/busy_poll.h>
 
 #include <linux/socket.h> /* for sa_family_t */
 #include <linux/export.h>
@@ -6557,6 +6558,10 @@ static struct sk_buff *sctp_skb_recv_datagram(struct sock *sk, int flags,
                 if (sk->sk_shutdown & RCV_SHUTDOWN)
                         break;
 
+                if (sk_can_busy_loop(sk) &&
+                    sk_busy_loop(sk, noblock))
+                        continue;
+
                 /* User doesn't want to wait.  */
                 error = -EAGAIN;
                 if (!timeo)