Messages in this thread Patch in this message | | | Subject | [PATCH 1/7] iio: Use kmalloc_array() in iio_scan_mask_set() | From | SF Markus Elfring <> | Date | Sat, 24 Sep 2016 08:24:09 +0200 |
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From: Markus Elfring <elfring@users.sourceforge.net> Date: Fri, 23 Sep 2016 22:30:32 +0200
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 <elfring@users.sourceforge.net> --- drivers/iio/industrialio-buffer.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c index 49bf9c5..7a4d9499 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) { -- 2.10.0
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