7 files changed, 22 insertions, 6 deletions

diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index d3ee69b35a78..409902f892ff 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -422,7 +422,8 @@ unsigned int bt_sock_poll(struct file *file, struct socket *sock,
                 return bt_accept_poll(sk);
 
         if (sk->sk_err || !skb_queue_empty(&sk->sk_error_queue))
-                mask |= POLLERR;
+                mask |= POLLERR |
+                        sock_flag(sk, SOCK_SELECT_ERR_QUEUE) ? POLLPRI : 0;
 
         if (sk->sk_shutdown & RCV_SHUTDOWN)
                 mask |= POLLRDHUP | POLLIN | POLLRDNORM;
diff --git a/net/core/datagram.c b/net/core/datagram.c
index 368f9c3f9dc6..36da5b663514 100644
--- a/net/core/datagram.c
+++ b/net/core/datagram.c
@@ -749,7 +749,9 @@ unsigned int datagram_poll(struct file *file, struct socket *sock,
 
         /* exceptional events? */
         if (sk->sk_err || !skb_queue_empty(&sk->sk_error_queue))
-                mask |= POLLERR;
+                mask |= POLLERR |
+                        sock_flag(sk, SOCK_SELECT_ERR_QUEUE) ? POLLPRI : 0;
+
         if (sk->sk_shutdown & RCV_SHUTDOWN)
                 mask |= POLLRDHUP | POLLIN | POLLRDNORM;
         if (sk->sk_shutdown == SHUTDOWN_MASK)
diff --git a/net/core/sock.c b/net/core/sock.c
index a19e728d5fb6..2ff5f3619a8d 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -907,6 +907,10 @@ set_rcvbuf:
                 sock_valbool_flag(sk, SOCK_NOFCS, valbool);
                 break;
 
+        case SO_SELECT_ERR_QUEUE:
+                sock_valbool_flag(sk, SOCK_SELECT_ERR_QUEUE, valbool);
+                break;
+
         default:
                 ret = -ENOPROTOOPT;
                 break;
@@ -1160,6 +1164,10 @@ int sock_getsockopt(struct socket *sock, int level, int optname,
                 v.val = sock_flag(sk, SOCK_FILTER_LOCKED);
                 break;
 
+        case SO_SELECT_ERR_QUEUE:
+                v.val = sock_flag(sk, SOCK_SELECT_ERR_QUEUE);
+                break;
+
         default:
                 return -ENOPROTOOPT;
         }
diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
index a7d11ffe4284..f0550a38f295 100644
--- a/net/iucv/af_iucv.c
+++ b/net/iucv/af_iucv.c
@@ -1461,7 +1461,8 @@ unsigned int iucv_sock_poll(struct file *file, struct socket *sock,
                 return iucv_accept_poll(sk);
 
         if (sk->sk_err || !skb_queue_empty(&sk->sk_error_queue))
-                mask |= POLLERR;
+                mask |= POLLERR |
+                        sock_flag(sk, SOCK_SELECT_ERR_QUEUE) ? POLLPRI : 0;
 
         if (sk->sk_shutdown & RCV_SHUTDOWN)
                 mask |= POLLRDHUP;
diff --git a/net/nfc/llcp/sock.c b/net/nfc/llcp/sock.c
index f1b377e247fe..2d55e8a45958 100644
--- a/net/nfc/llcp/sock.c
+++ b/net/nfc/llcp/sock.c
@@ -521,7 +521,8 @@ static unsigned int llcp_sock_poll(struct file *file, struct socket *sock,
                 return llcp_accept_poll(sk);
 
         if (sk->sk_err || !skb_queue_empty(&sk->sk_error_queue))
-                mask |= POLLERR;
+                mask |= POLLERR |
+                        sock_flag(sk, SOCK_SELECT_ERR_QUEUE) ? POLLPRI : 0;
 
         if (!skb_queue_empty(&sk->sk_receive_queue))
                 mask |= POLLIN | POLLRDNORM;
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index b9070736b8d9..dd21ae3013d8 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -6185,7 +6185,8 @@ unsigned int sctp_poll(struct file *file, struct socket *sock, poll_table *wait)
 
         /* Is there any exceptional events?  */
         if (sk->sk_err || !skb_queue_empty(&sk->sk_error_queue))
-                mask |= POLLERR;
+                mask |= POLLERR |
+                        sock_flag(sk, SOCK_SELECT_ERR_QUEUE) ? POLLPRI : 0;
         if (sk->sk_shutdown & RCV_SHUTDOWN)
                 mask |= POLLRDHUP | POLLIN | POLLRDNORM;
         if (sk->sk_shutdown == SHUTDOWN_MASK)
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 971282b6f6a3..fb7a63ff71a5 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -2196,7 +2196,9 @@ static unsigned int unix_dgram_poll(struct file *file, struct socket *sock,
 
         /* exceptional events? */
         if (sk->sk_err || !skb_queue_empty(&sk->sk_error_queue))
-                mask |= POLLERR;
+                mask |= POLLERR |
+                        sock_flag(sk, SOCK_SELECT_ERR_QUEUE) ? POLLPRI : 0;
+
         if (sk->sk_shutdown & RCV_SHUTDOWN)
                 mask |= POLLRDHUP | POLLIN | POLLRDNORM;
         if (sk->sk_shutdown == SHUTDOWN_MASK)