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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>
This commit is contained in:
Bartosz Golaszewski 2017-06-09 13:41:32 +02:00 committed by Linus Walleij
parent c60c7f4c6b
commit f6ac438e5e
1 changed files with 4 additions and 4 deletions
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8
drivers/gpio/gpio-mockup.c
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@ -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;