From: Markus Elfring Date: Wed, 12 Oct 2016 13:30:44 +0000 (-0300) Subject: [media] DaVinci-VPIF-Display: Use kcalloc() in vpif_probe() X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=d5cf467ecec5a3924a602018c6e405ad6d0dbecc;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git [media] DaVinci-VPIF-Display: Use kcalloc() in vpif_probe() * A multiplication for the size determination of a memory allocation indicated that an array data structure should be processed. Thus use the corresponding function "kcalloc". 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 Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/platform/davinci/vpif_display.c b/drivers/media/platform/davinci/vpif_display.c index 6b3ea1e8e97f..0faab86db9a1 100644 --- a/drivers/media/platform/davinci/vpif_display.c +++ b/drivers/media/platform/davinci/vpif_display.c @@ -1274,8 +1274,7 @@ static __init int vpif_probe(struct platform_device *pdev) vpif_obj.config = pdev->dev.platform_data; subdev_count = vpif_obj.config->subdev_count; subdevdata = vpif_obj.config->subdevinfo; - vpif_obj.sd = kzalloc(sizeof(struct v4l2_subdev *) * subdev_count, - GFP_KERNEL); + vpif_obj.sd = kcalloc(subdev_count, sizeof(*vpif_obj.sd), GFP_KERNEL); if (vpif_obj.sd == NULL) { vpif_err("unable to allocate memory for subdevice pointers\n"); err = -ENOMEM;