diff options
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/virtio_console.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index 48306bc733f..86e9011325d 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -416,20 +416,16 @@ static ssize_t send_buf(struct port *port, void *in_buf, size_t in_count) out_vq->vq_ops->kick(out_vq); if (ret < 0) { - len = 0; + in_count = 0; goto fail; } - /* - * Wait till the host acknowledges it pushed out the data we - * sent. Also ensure we return to userspace the number of - * bytes that were successfully consumed by the host. - */ + /* Wait till the host acknowledges it pushed out the data we sent. */ while (!out_vq->vq_ops->get_buf(out_vq, &len)) cpu_relax(); fail: /* We're expected to return the amount of data we wrote */ - return len; + return in_count; } /* |