diff options
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/virtio_console.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index 6207e3729923..a39bf191da02 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -479,9 +479,9 @@ static ssize_t fill_readbuf(struct port *port, char *out_buf, size_t out_count, } /* 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 @@ static ssize_t port_fops_read(struct file *filp, char __user *ubuf, return -EAGAIN; ret = wait_event_interruptible(port->waitqueue, - wait_is_over(port)); + !will_read_block(port)); if (ret < 0) return ret; } |