diff options
Diffstat (limited to 'drivers/tty/serial/omap-serial.c')
| -rw-r--r-- | drivers/tty/serial/omap-serial.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c index 6cda5cd8b513..9d22d3369da9 100644 --- a/drivers/tty/serial/omap-serial.c +++ b/drivers/tty/serial/omap-serial.c @@ -46,7 +46,7 @@ #include <dt-bindings/gpio/gpio.h> -#define OMAP_MAX_HSUART_PORTS 6 +#define OMAP_MAX_HSUART_PORTS 10 #define UART_BUILD_REVISION(x, y) (((x) << 8) | (y)) @@ -1693,6 +1693,13 @@ static int serial_omap_probe(struct platform_device *pdev) goto err_port_line; } + if (up->port.line >= OMAP_MAX_HSUART_PORTS) { + dev_err(&pdev->dev, "uart ID %d > MAX %d.\n", up->port.line, + OMAP_MAX_HSUART_PORTS); + ret = -ENXIO; + goto err_port_line; + } + ret = serial_omap_probe_rs485(up, pdev->dev.of_node); if (ret < 0) goto err_rs485; |