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NFC: Update the LLCP poll mask

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Fix the poll mask depending on the socket state. POLLOUT was missing
for example.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Samuel Ortiz 2012-05-07 12:31:20 +02:00 committed by John W. Linville
parent ff353d86a9
commit 4260c13ba9
1 changed files with 14 additions and 1 deletions
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15
net/nfc/llcp/sock.c
View File

@ -340,11 +340,24 @@ static unsigned int llcp_sock_poll(struct file *file, struct socket *sock,
mask |= POLLERR;
if (!skb_queue_empty(&sk->sk_receive_queue))
mask |= POLLIN;
mask |= POLLIN | POLLRDNORM;
if (sk->sk_state == LLCP_CLOSED)
mask |= POLLHUP;
if (sk->sk_shutdown & RCV_SHUTDOWN)
mask |= POLLRDHUP | POLLIN | POLLRDNORM;
if (sk->sk_shutdown == SHUTDOWN_MASK)
mask |= POLLHUP;
if (sock_writeable(sk))
mask |= POLLOUT | POLLWRNORM | POLLWRBAND;
else
set_bit(SOCK_ASYNC_NOSPACE, &sk->sk_socket->flags);
pr_debug("mask 0x%x\n", mask);
return mask;
}