From: Markus Elfring Date: Wed, 12 Oct 2016 08:20:02 +0000 (-0300) Subject: [media] DaVinci-VPFE-Capture: Use kmalloc_array() in vpfe_probe() X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=ed011a23c90796c386ae7004ef0823ade6583d21;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git [media] DaVinci-VPFE-Capture: Use kmalloc_array() in vpfe_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 "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 Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/platform/davinci/vpfe_capture.c b/drivers/media/platform/davinci/vpfe_capture.c index ca22c3493f55..a9bc35e785a3 100644 --- a/drivers/media/platform/davinci/vpfe_capture.c +++ b/drivers/media/platform/davinci/vpfe_capture.c @@ -1938,8 +1938,9 @@ static int vpfe_probe(struct platform_device *pdev) video_set_drvdata(&vpfe_dev->video_dev, vpfe_dev); i2c_adap = i2c_get_adapter(vpfe_cfg->i2c_adapter_id); num_subdevs = vpfe_cfg->num_subdevs; - vpfe_dev->sd = kmalloc(sizeof(struct v4l2_subdev *) * num_subdevs, - GFP_KERNEL); + vpfe_dev->sd = kmalloc_array(num_subdevs, + sizeof(*vpfe_dev->sd), + GFP_KERNEL); if (NULL == vpfe_dev->sd) { v4l2_err(&vpfe_dev->v4l2_dev, "unable to allocate memory for subdevice pointers\n");