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

[Keerthy <j-keerthy@ti.com>]

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

Signed-off-by: Keerthy <j-keerthy@ti.com>
---
 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