gpio: mockup: use devm_kcalloc() where applicable

When allocating a zeroed array of objects use devm_kcalloc() instead
of manually calculating the required size and using devm_kzalloc().

Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 4 insertions, 4 deletions

diff --git a/drivers/gpio/gpio-mockup.c b/drivers/gpio/gpio-mockup.c
index 536a229bde71..a6565e128f9e 100644
--- a/drivers/gpio/gpio-mockup.c
+++ b/drivers/gpio/gpio-mockup.c
@@ -128,7 +128,7 @@ static int gpio_mockup_name_lines(struct device *dev,
         char **names;
         int i;
 
-        names = devm_kzalloc(dev, sizeof(char *) * gc->ngpio, GFP_KERNEL);
+        names = devm_kcalloc(dev, gc->ngpio, sizeof(char *), GFP_KERNEL);
         if (!names)
                 return -ENOMEM;
 
@@ -308,8 +308,8 @@ static int gpio_mockup_add(struct device *dev,
         gc->get_direction = gpio_mockup_get_direction;
         gc->to_irq = gpio_mockup_to_irq;
 
-        chip->lines = devm_kzalloc(dev, sizeof(*chip->lines) * gc->ngpio,
-                                   GFP_KERNEL);
+        chip->lines = devm_kcalloc(dev, gc->ngpio,
+                                   sizeof(*chip->lines), GFP_KERNEL);
         if (!chip->lines)
                 return -ENOMEM;
 
@@ -346,7 +346,7 @@ static int gpio_mockup_probe(struct platform_device *pdev)
         /* Each chip is described by two values. */
         num_chips = gpio_mockup_params_nr / 2;
 
-        chips = devm_kzalloc(dev, sizeof(*chips) * num_chips, GFP_KERNEL);
+        chips = devm_kcalloc(dev, num_chips, sizeof(*chips), GFP_KERNEL);
         if (!chips)
                 return -ENOMEM;