When using multiport, we'll use control messages. Ensure we don't
accidentally update port 0 size on config interrupts.
Signed-off-by: Amit Shah <amit.shah@xxxxxxxxxx>
CC: Christian Borntraeger <borntraeger@xxxxxxxxxx>
CC: linuxppc-dev@xxxxxxxxxx
CC: Kusanagi Kouichi <slash@xxxxxxxxxxxxxxx>
---
drivers/char/virtio_console.c | 17 ++++++++++-------
1 files changed, 10 insertions(+), 7 deletions(-)
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index a64558f..e2d05ea 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -1319,13 +1319,16 @@ static void config_intr(struct virtio_device *vdev)
portdev = vdev->priv;
- /*
- * We'll use this way of resizing only for legacy support.
- * For newer userspace (VIRTIO_CONSOLE_F_MULTPORT+), use
- * control messages to indicate console size changes so that
- * it can be done per-port
- */
- resize_console(find_port_by_id(portdev, 0));
+ if (!use_multiport(portdev)) {
+ /*
+ * We'll use this way of resizing only for legacy
+ * support. For newer userspace
+ * (VIRTIO_CONSOLE_F_MULTPORT+), use control messages
+ * to indicate console size changes so that it can be
+ * done per-port.
+ */
+ resize_console(find_port_by_id(portdev, 0));
+ }
}
static int init_vqs(struct ports_device *portdev)
--
1.6.2.5
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