TTY: serial, handle platform_get_irq retval properly

[cascardo/linux.git] / drivers / tty / serial / serial-tegra.c

diff --git a/drivers/tty/serial/serial-tegra.c b/drivers/tty/serial/serial-tegra.c
index 1dba671..731ac35 100644 (file)
--- a/drivers/tty/serial/serial-tegra.c
+++ b/drivers/tty/serial/serial-tegra.c
@@ -1317,7 +1317,12 @@ static int tegra_uart_probe(struct platform_device *pdev)
        }
 
        u->iotype = UPIO_MEM32;
-       u->irq = platform_get_irq(pdev, 0);
+       ret = platform_get_irq(pdev, 0);
+       if (ret < 0) {
+               dev_err(&pdev->dev, "Couldn't get IRQ\n");
+               return ret;
+       }
+       u->irq = ret;
        u->regshift = 2;
        ret = uart_add_one_port(&tegra_uart_driver, u);
        if (ret < 0) {