diff options
Diffstat (limited to 'drivers/serial')
| -rw-r--r-- | drivers/serial/amba-pl010.c | 2 | ||||
| -rw-r--r-- | drivers/serial/amba-pl011.c | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/serial/amba-pl010.c b/drivers/serial/amba-pl010.c index 61db697..f69bd09 100644 --- a/drivers/serial/amba-pl010.c +++ b/drivers/serial/amba-pl010.c @@ -589,6 +589,8 @@ static int __init pl010_console_setup(struct console *co, char *options) */ if (co->index >= UART_NR) co->index = 0; + if (!amba_ports[co->index]) + return -ENODEV; port = &amba_ports[co->index]->port; if (options) diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c index 9a3b374..44639e7 100644 --- a/drivers/serial/amba-pl011.c +++ b/drivers/serial/amba-pl011.c @@ -661,6 +661,8 @@ static int __init pl011_console_setup(struct console *co, char *options) if (co->index >= UART_NR) co->index = 0; uap = amba_ports[co->index]; + if (!uap) + return -ENODEV; uap->port.uartclk = clk_get_rate(uap->clk); |
