diff mbox

sh: sh-sci: Check initialization for earlyprintk

Message ID 1301279675-16519-1-git-send-email-iwamatsu@nigauri.org (mailing list archive)
State Accepted
Headers show

Commit Message

Nobuhiro Iwamatsu March 28, 2011, 2:34 a.m. UTC 
None
diff mbox

Patch

diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index eb7958c..cc4c329 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -1836,6 +1836,9 @@  static int __devinit serial_console_setup(struct console *co, char *options)
 	sci_port = &sci_ports[co->index];
 	port = &sci_port->port;
 
+	if (port->ops == NULL)
+		return -ENODEV;
+
 	ret = sci_remap_port(port);
 	if (unlikely(ret != 0))
 		return ret;