virtio: console: Rename wait_is_over() to will_read_block()
We'll introduce a function that checks if write will block. Have
function names that are similar for the two cases.
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index 6207e37..a39bf19 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -479,9 +479,9 @@
}
/* The condition that must be true for polling to end */
-static bool wait_is_over(struct port *port)
+static bool will_read_block(struct port *port)
{
- return port_has_data(port) || !port->host_connected;
+ return !port_has_data(port) && port->host_connected;
}
static ssize_t port_fops_read(struct file *filp, char __user *ubuf,
@@ -504,7 +504,7 @@
return -EAGAIN;
ret = wait_event_interruptible(port->waitqueue,
- wait_is_over(port));
+ !will_read_block(port));
if (ret < 0)
return ret;
}