diff options
| -rw-r--r-- | drivers/tty/serial/pxa.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/tty/serial/pxa.c b/drivers/tty/serial/pxa.c index baf552944d56..eda3c7710d6a 100644 --- a/drivers/tty/serial/pxa.c +++ b/drivers/tty/serial/pxa.c @@ -885,6 +885,10 @@ static int serial_pxa_probe(struct platform_device *dev) sport->port.line = dev->id; else if (ret < 0) goto err_clk; + if (sport->port.line >= ARRAY_SIZE(serial_pxa_ports)) { + dev_err(&dev->dev, "serial%d out of range\n", sport->port.line); + return -EINVAL; + } snprintf(sport->name, PXA_NAME_LEN - 1, "UART%d", sport->port.line + 1); sport->port.membase = ioremap(mmres->start, resource_size(mmres)); |