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[media] v4l2-async: Use kmalloc_array() in v4l2_async_notifier_unregister()

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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.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
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 2016-12-26 15:14:33 -02:00 committed by Mauro Carvalho Chehab
parent 9945cf9997
commit f9e9c0669f
1 changed files with 1 additions and 1 deletions
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2
drivers/media/v4l2-core/v4l2-async.c
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@ -202,7 +202,7 @@ void v4l2_async_notifier_unregister(struct v4l2_async_notifier *notifier)
if (!notifier->v4l2_dev)
return;
dev = kmalloc(n_subdev * sizeof(*dev), GFP_KERNEL);
dev = kmalloc_array(n_subdev, sizeof(*dev), GFP_KERNEL);
if (!dev) {
dev_err(notifier->v4l2_dev->dev,
"Failed to allocate device cache!\n");