iov: Update parameter usage in iov_(to|from)_buf()

iov_to_buf() has an 'offset' parameter, iov_from_buf() hasn't.
This patch adds the missing parameter to iov_from_buf().
It also renames the 'offset' parameter to 'iov_off' to
emphasize it's the offset into the iovec and not the buffer.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Acked-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/hw/virtio-serial-bus.c b/hw/virtio-serial-bus.c
index 7f6db7bffe..53c58d0f3f 100644
--- a/hw/virtio-serial-bus.c
+++ b/hw/virtio-serial-bus.c
@@ -103,7 +103,7 @@ static size_t write_to_port(VirtIOSerialPort *port,
         }
 
         len = iov_from_buf(elem.in_sg, elem.in_num,
-                           buf + offset, size - offset);
+                           buf + offset, 0, size - offset);
         offset += len;
 
         virtqueue_push(vq, &elem, len);