gpio: use (!foo) instead of (foo == NULL)

Signed-off-by: Varka Bhadram <varkab@cdac.in>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

6 files changed, 7 insertions, 7 deletions

diff --git a/drivers/gpio/gpio-adp5588.c b/drivers/gpio/gpio-adp5588.c
index 0de8c7008122..c90273dac289 100644
--- a/drivers/gpio/gpio-adp5588.c
+++ b/drivers/gpio/gpio-adp5588.c
@@ -367,7 +367,7 @@ static int adp5588_gpio_probe(struct i2c_client *client,
         struct gpio_chip *gc;
         int ret, i, revid;
 
-        if (pdata == NULL) {
+        if (!pdata) {
                 dev_err(&client->dev, "missing platform data\n");
                 return -ENODEV;
         }
@@ -379,7 +379,7 @@ static int adp5588_gpio_probe(struct i2c_client *client,
         }
 
         dev = devm_kzalloc(&client->dev, sizeof(*dev), GFP_KERNEL);
-        if (dev == NULL)
+        if (!dev)
                 return -ENOMEM;
 
         dev->client = client;
diff --git a/drivers/gpio/gpio-arizona.c b/drivers/gpio/gpio-arizona.c
index ab350383660c..eb5a0ce49fa5 100644
--- a/drivers/gpio/gpio-arizona.c
+++ b/drivers/gpio/gpio-arizona.c
@@ -103,7 +103,7 @@ static int arizona_gpio_probe(struct platform_device *pdev)
 
         arizona_gpio = devm_kzalloc(&pdev->dev, sizeof(*arizona_gpio),
                                     GFP_KERNEL);
-        if (arizona_gpio == NULL)
+        if (!arizona_gpio)
                 return -ENOMEM;
 
         arizona_gpio->arizona = arizona;
diff --git a/drivers/gpio/gpio-da9052.c b/drivers/gpio/gpio-da9052.c
index 389a4d2a4926..2e9578ec0ca1 100644
--- a/drivers/gpio/gpio-da9052.c
+++ b/drivers/gpio/gpio-da9052.c
@@ -212,7 +212,7 @@ static int da9052_gpio_probe(struct platform_device *pdev)
         int ret;
 
         gpio = devm_kzalloc(&pdev->dev, sizeof(*gpio), GFP_KERNEL);
-        if (gpio == NULL)
+        if (!gpio)
                 return -ENOMEM;
 
         gpio->da9052 = dev_get_drvdata(pdev->dev.parent);
diff --git a/drivers/gpio/gpio-da9055.c b/drivers/gpio/gpio-da9055.c
index b8d757036887..7227e6ed3cb9 100644
--- a/drivers/gpio/gpio-da9055.c
+++ b/drivers/gpio/gpio-da9055.c
@@ -146,7 +146,7 @@ static int da9055_gpio_probe(struct platform_device *pdev)
         int ret;
 
         gpio = devm_kzalloc(&pdev->dev, sizeof(*gpio), GFP_KERNEL);
-        if (gpio == NULL)
+        if (!gpio)
                 return -ENOMEM;
 
         gpio->da9055 = dev_get_drvdata(pdev->dev.parent);
diff --git a/drivers/gpio/gpio-kempld.c b/drivers/gpio/gpio-kempld.c
index 443518f63f15..6b8115f34208 100644
--- a/drivers/gpio/gpio-kempld.c
+++ b/drivers/gpio/gpio-kempld.c
@@ -156,7 +156,7 @@ static int kempld_gpio_probe(struct platform_device *pdev)
         }
 
         gpio = devm_kzalloc(dev, sizeof(*gpio), GFP_KERNEL);
-        if (gpio == NULL)
+        if (!gpio)
                 return -ENOMEM;
 
         gpio->pld = pld;
diff --git a/drivers/gpio/gpio-mc33880.c b/drivers/gpio/gpio-mc33880.c
index 4e3e160e5db2..a431604c9e67 100644
--- a/drivers/gpio/gpio-mc33880.c
+++ b/drivers/gpio/gpio-mc33880.c
@@ -151,7 +151,7 @@ static int mc33880_remove(struct spi_device *spi)
         struct mc33880 *mc;
 
         mc = spi_get_drvdata(spi);
-        if (mc == NULL)
+        if (!mc)
                 return -ENODEV;
 
         gpiochip_remove(&mc->chip);