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authorSamuel Ortiz <sameo@linux.intel.com>2012-05-07 10:31:20 (GMT)
committerJohn W. Linville <linville@tuxdriver.com>2012-05-15 21:28:02 (GMT)
commit4260c13ba9102d466f017139de990dfffaf4d997 (patch)
tree2ab48c5e1a2dcb242448e7b5883817ee68950de1 /net
parentff353d86a92ee709e18fa485423dbaa7a52af8f3 (diff)
downloadlinux-4260c13ba9102d466f017139de990dfffaf4d997.tar.xz
NFC: Update the LLCP poll mask
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>
Diffstat (limited to 'net')
-rw-r--r--net/nfc/llcp/sock.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/net/nfc/llcp/sock.c b/net/nfc/llcp/sock.c
index 99196d3..3f339b1 100644
--- a/net/nfc/llcp/sock.c
+++ b/net/nfc/llcp/sock.c
@@ -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;
}