usbmuxd patch

gistfile1.diff

diff --git a/src/device.c b/src/device.c
index e36509e..ea99d63 100644
--- a/src/device.c
+++ b/src/device.c
@@ -441,7 +441,7 @@ void device_client_process(int device_id, struct mux_client *client, short event
                        memmove(conn->ib_buf, conn->ib_buf + size, conn->ib_size);
                }
        }
-       if(events & POLLIN) {
+       if((events & POLLIN) && conn->sendable > 0) {
                // There is inbound trafic on the client socket,
                // convert it to tcp and send to the device
                size = client_read(conn->client, conn->ob_buf, conn->sendable);