fix oops when using console=ttymxcN with N > 0

Signed-off-by: Eric Lammerts <eric@lammerts.org> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
mariux64 · Jun 3, 2009 · e76afc4 · e76afc4
1 parent 9fa7eb2
commit e76afc4
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c
@@ -1031,6 +1031,8 @@ imx_console_setup(struct console *co, char *options)
 	if (co->index == -1 || co->index >= ARRAY_SIZE(imx_ports))
 		co->index = 0;
 	sport = imx_ports[co->index];
+	if(sport == NULL)
+		return -ENODEV;
 
 	if (options)
 		uart_parse_options(options, &baud, &parity, &bits, &flow);