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gpiolib: Change bitmap allocation to kmalloc_array

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We don't need to clear out these bits when we set them immediately
after. Use kmalloc_array() to skip clearing the bits.

Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Tested-by: Timur Tabi <timur@codeaurora.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Stephen Boyd 2018-03-23 09:34:51 -07:00 committed by Linus Walleij
parent e4371f6e07
commit ace56935ff
1 changed files with 1 additions and 1 deletions
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2
drivers/gpio/gpiolib.c
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@ -341,7 +341,7 @@ static unsigned long *gpiochip_allocate_mask(struct gpio_chip *chip)
{ {
unsigned long *p; unsigned long *p;
p = kcalloc(BITS_TO_LONGS(chip->ngpio), sizeof(long), GFP_KERNEL); p = kmalloc_array(BITS_TO_LONGS(chip->ngpio), sizeof(*p), GFP_KERNEL);
if (!p) if (!p)
return NULL; return NULL;