diff options
Diffstat (limited to 'net/core/datagram.c')
| -rw-r--r-- | net/core/datagram.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/core/datagram.c b/net/core/datagram.c index b71423db778..8ab48cd8955 100644 --- a/net/core/datagram.c +++ b/net/core/datagram.c @@ -56,6 +56,7 @@ #include <net/sock.h> #include <net/tcp_states.h> #include <trace/events/skb.h> +#include <net/busy_poll.h> /* * Is a socket 'connection oriented' ? @@ -207,6 +208,10 @@ struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned int flags, } spin_unlock_irqrestore(&queue->lock, cpu_flags); + if (sk_can_busy_loop(sk) && + sk_busy_loop(sk, flags & MSG_DONTWAIT)) + continue; + /* User doesn't want to wait */ error = -EAGAIN; if (!timeo) |