virtio: console: show error message if hvc_alloc fails for console ports

Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index 2a04daa9189ed60001920cef1d305622937b3c4a..a3f1f73bac3aae9f1e0950b5f5ea4372fbd471ac 100644 (file)
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -753,6 +753,8 @@ int init_port_console(struct port *port)
        port->cons.hvc = hvc_alloc(port->cons.vtermno, 0, &hv_ops, PAGE_SIZE);
        if (IS_ERR(port->cons.hvc)) {
                ret = PTR_ERR(port->cons.hvc);
+               dev_err(port->dev,
+                       "error %d allocating hvc for port\n", ret);
                port->cons.hvc = NULL;
                return ret;
        }