[PATCH 2/4] gpio: davinci: Handle the return value of davinci_gpio_irq_setup function

From: Keerthy
Date: Tue Jul 18 2017 - 06:58:05 EST


Currently davinci_gpio_irq_setup return value is ignored. Handle the
return value appropriately.

Signed-off-by: Keerthy <j-keerthy@xxxxxx>
---
drivers/gpio/gpio-davinci.c | 18 +++++++++++++-----
1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c
index 2c88054..932f270 100644
--- a/drivers/gpio/gpio-davinci.c
+++ b/drivers/gpio/gpio-davinci.c
@@ -233,15 +233,23 @@ static int davinci_gpio_probe(struct platform_device *pdev)
chips->regs[bank] = gpio_base + offset_array[bank];

ret = devm_gpiochip_add_data(dev, &chips->chip, chips);
+ if (ret)
+ goto err;
+
+ platform_set_drvdata(pdev, chips);
+ ret = davinci_gpio_irq_setup(pdev);
if (ret) {
- ctrl_num = 0;
- bank_base = 0;
- return ret;
+ platform_set_drvdata(pdev, NULL);
+ goto err;
}

- platform_set_drvdata(pdev, chips);
- davinci_gpio_irq_setup(pdev);
return 0;
+
+err:
+ ctrl_num = 0;
+ bank_base = 0;
+
+ return ret;
}

/*--------------------------------------------------------------------------*/
--
1.9.1