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authorStephen Boyd <swboyd@chromium.org>2018-03-23 09:34:51 -0700
committerLinus Walleij <linus.walleij@linaro.org>2018-03-27 15:34:13 +0200
commitace56935ff48879239d79129c7882ea2ff1b4804 (patch)
tree76ef74a6bf7640a4a2cacff581aa7fe49070ee8f /drivers/gpio
parente4371f6e079294369ecb4cfa03aaeb60831e8b91 (diff)
downloadlinux-ace56935ff48879239d79129c7882ea2ff1b4804.tar.bz2
gpiolib: Change bitmap allocation to kmalloc_array
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>
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpiolib.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index cc0e1519da45..db3788d17ba0 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -341,7 +341,7 @@ static unsigned long *gpiochip_allocate_mask(struct gpio_chip *chip)
{
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)
return NULL;