TTY: pmac_zilog, check existence of ports in pmz_console_init()

[cascardo/linux.git] / drivers / tty / serial / pmac_zilog.c

diff --git a/drivers/tty/serial/pmac_zilog.c b/drivers/tty/serial/pmac_zilog.c
index 481b781..e9d420f 100644 (file)
--- a/drivers/tty/serial/pmac_zilog.c
+++ b/drivers/tty/serial/pmac_zilog.c
@@ -2052,6 +2052,9 @@ static int __init pmz_console_init(void)
        /* Probe ports */
        pmz_probe();
 
+       if (pmz_ports_count == 0)
+               return -ENODEV;
+
        /* TODO: Autoprobe console based on OF */
        /* pmz_console.index = i; */
        register_console(&pmz_console);