gpio: mc33880: use devm_kzalloc()

Use devm_kzalloc() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 3 insertions, 5 deletions

diff --git a/drivers/gpio/gpio-mc33880.c b/drivers/gpio/gpio-mc33880.c
index 6a8fdc26ae6a..b16148913a78 100644
--- a/drivers/gpio/gpio-mc33880.c
+++ b/drivers/gpio/gpio-mc33880.c
@@ -101,7 +101,7 @@ static int mc33880_probe(struct spi_device *spi)
         if (ret < 0)
                 return ret;
 
-        mc = kzalloc(sizeof(struct mc33880), GFP_KERNEL);
+        mc = devm_kzalloc(&spi->dev, sizeof(struct mc33880), GFP_KERNEL);
         if (!mc)
                 return -ENOMEM;
 
@@ -143,7 +143,6 @@ static int mc33880_probe(struct spi_device *spi)
 exit_destroy:
         dev_set_drvdata(&spi->dev, NULL);
         mutex_destroy(&mc->lock);
-        kfree(mc);
         return ret;
 }
 
@@ -159,10 +158,9 @@ static int mc33880_remove(struct spi_device *spi)
         dev_set_drvdata(&spi->dev, NULL);
 
         ret = gpiochip_remove(&mc->chip);
-        if (!ret) {
+        if (!ret)
                 mutex_destroy(&mc->lock);
-                kfree(mc);
-        } else
+        else
                 dev_err(&spi->dev, "Failed to remove the GPIO controller: %d\n",
                         ret);