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[media] DaVinci-VPBE: Use kmalloc_array() in vpbe_initialize()

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* 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.

* Replace the specification of a data type by a pointer dereference
  to make the corresponding size determination a bit safer according to
  the Linux coding style convention.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Markus Elfring 2016-10-11 04:40:41 -03:00 committed by Mauro Carvalho Chehab
parent e44e9489a7
commit f42afd29e6
1 changed files with 3 additions and 3 deletions
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6
drivers/media/platform/davinci/vpbe.c
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@ -676,9 +676,9 @@ static int vpbe_initialize(struct device *dev, struct vpbe_device *vpbe_dev)
* store venc sd index.
*/
num_encoders = vpbe_dev->cfg->num_ext_encoders + 1;
vpbe_dev->encoders = kmalloc(
sizeof(struct v4l2_subdev *)*num_encoders,
GFP_KERNEL);
vpbe_dev->encoders = kmalloc_array(num_encoders,
sizeof(*vpbe_dev->encoders),
GFP_KERNEL);
if (NULL == vpbe_dev->encoders) {
v4l2_err(&vpbe_dev->v4l2_dev,
"unable to allocate memory for encoders sub devices");