virtio: console: rename variable
'ret' is a misnomer in discard_port_data() since we don't return the
value. Rename it to 'err'.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index cb5edf3..0538425 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -387,8 +387,7 @@
{
struct port_buffer *buf;
struct virtqueue *vq;
- unsigned int len;
- int ret;
+ unsigned int len, err;
if (!port->portdev) {
/* Device has been unplugged. vqs are already gone. */
@@ -400,18 +399,18 @@
else
buf = virtqueue_get_buf(vq, &len);
- ret = 0;
+ err = 0;
while (buf) {
if (add_inbuf(vq, buf) < 0) {
- ret++;
+ err++;
free_buf(buf);
}
buf = virtqueue_get_buf(vq, &len);
}
port->inbuf = NULL;
- if (ret)
+ if (err)
dev_warn(port->dev, "Errors adding %d buffers back to vq\n",
- ret);
+ err);
}
static bool port_has_data(struct port *port)