net: add option to enable error queue packets waking select

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / net / bluetooth / af_bluetooth.c

diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index d3ee69b35a78267f35b8ea4a9b32d367160eea21..409902f892ff0b05e5b296dd1200e3cc3cd94fa0 100644 (file)
--- 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;