gpio :gpio-mm-lantiq: Use devm_kzalloc

Replace kzalloc with the device managed devm_kzalloc

Cc: Alexandre Courbot <gnurou@gmail.com>
Cc: John Crispin <blogic@openwrt.org>
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 2 insertions, 6 deletions

diff --git a/drivers/gpio/gpio-mm-lantiq.c b/drivers/gpio/gpio-mm-lantiq.c
index f228b1ce0ce0..789016397c4f 100644
--- a/drivers/gpio/gpio-mm-lantiq.c
+++ b/drivers/gpio/gpio-mm-lantiq.c
@@ -107,14 +107,13 @@ static int ltq_mm_probe(struct platform_device *pdev)
         struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
         struct ltq_mm *chip;
         const __be32 *shadow;
-        int ret = 0;
 
         if (!res) {
                 dev_err(&pdev->dev, "failed to get memory resource\n");
                 return -ENOENT;
         }
 
-        chip = kzalloc(sizeof(*chip), GFP_KERNEL);
+        chip = devm_kzalloc(&pdev->dev, sizeof(*chip), GFP_KERNEL);
         if (!chip)
                 return -ENOMEM;
 
@@ -129,10 +128,7 @@ static int ltq_mm_probe(struct platform_device *pdev)
         if (shadow)
                 chip->shadow = be32_to_cpu(*shadow);
 
-        ret = of_mm_gpiochip_add(pdev->dev.of_node, &chip->mmchip);
-        if (ret)
-                kfree(chip);
-        return ret;
+        return of_mm_gpiochip_add(pdev->dev.of_node, &chip->mmchip);
 }
 
 static const struct of_device_id ltq_mm_match[] = {