diff options
Diffstat (limited to 'drivers/tty/serial/st-asc.c')
| -rw-r--r-- | drivers/tty/serial/st-asc.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/tty/serial/st-asc.c b/drivers/tty/serial/st-asc.c index 2bee4fbccba..4e9f4f29f3c 100644 --- a/drivers/tty/serial/st-asc.c +++ b/drivers/tty/serial/st-asc.c @@ -842,7 +842,8 @@ static int asc_console_setup(struct console *co, char *options) * this to be called during the uart port registration when the * driver gets probed and the port should be mapped at that point. */ - BUG_ON(ascport->port.mapbase == 0 || ascport->port.membase == NULL); + if (ascport->port.mapbase == 0 || ascport->port.membase == NULL) + return -ENXIO; if (options) uart_parse_options(options, &baud, &parity, &bits, &flow); |