Messages in this thread Patch in this message | | | From | Stephen Boyd <> | Subject | [PATCH v4 3/5] gpiolib: Change bitmap allocation to kmalloc_array | Date | Fri, 23 Mar 2018 09:34:51 -0700 |
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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> --- drivers/gpio/gpiolib.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
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; -- Sent by a computer through tubes
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