From: Markus Elfring Date: Fri, 23 Sep 2016 20:30:32 +0000 (+0200) Subject: iio: Use kmalloc_array() in iio_scan_mask_set() X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=057ac1acdfc4743f066fcefe359385cad00549eb;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git iio: Use kmalloc_array() in iio_scan_mask_set() A multiplication for the size determination of a memory allocation indicated that an array data structure should be processed. Thus use the corresponding function "kmalloc_array". This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring Signed-off-by: Jonathan Cameron --- diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c index 158aaf44dd95..b12830b09c7d 100644 --- a/drivers/iio/industrialio-buffer.c +++ b/drivers/iio/industrialio-buffer.c @@ -307,10 +307,9 @@ static int iio_scan_mask_set(struct iio_dev *indio_dev, const unsigned long *mask; unsigned long *trialmask; - trialmask = kmalloc(sizeof(*trialmask)* - BITS_TO_LONGS(indio_dev->masklength), - GFP_KERNEL); - + trialmask = kmalloc_array(BITS_TO_LONGS(indio_dev->masklength), + sizeof(*trialmask), + GFP_KERNEL); if (trialmask == NULL) return -ENOMEM; if (!indio_dev->masklength) {