Messages in this thread Patch in this message | | | Subject | [PATCH 1/8] [media] v4l2-async: Use kmalloc_array() in v4l2_async_notifier_unregister() | From | SF Markus Elfring <> | Date | Mon, 26 Dec 2016 21:43:23 +0100 |
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From: Markus Elfring <elfring@users.sourceforge.net> Date: Mon, 26 Dec 2016 18:14:33 +0100
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/media/v4l2-core/v4l2-async.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/media/v4l2-core/v4l2-async.c b/drivers/media/v4l2-core/v4l2-async.c index 5bada202b2d3..277183f2d514 100644 --- a/drivers/media/v4l2-core/v4l2-async.c +++ b/drivers/media/v4l2-core/v4l2-async.c @@ -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"); -- 2.11.0
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