Re: [PATCH v2] media: aspeed-video: Fix memory leaks in aspeed_video_probe

[Jae Hyun Yoo]

On 10/28/2019 9:58 AM, Navid Emamdoost wrote:
> In the implementation of aspeed_video_probe() the allocated memory for
> video should be released if either devm_ioremap_resource()
> or aspeed_video_init() or aspeed_video_setup_video() fails. Replace
> kzalloc() with devm_kzalloc to avoid explicit release for video.
>
> Fixes: d2b4387f3bdf ("media: platform: Add Aspeed Video Engine driver")
> Signed-off-by: Navid Emamdoost <navid.emamdoost@xxxxxxxxx>
> ---
> Changes in v2:
> 	-- replace kzalloc with devm_kzalloc based on Jae Hyun Yoo
> suggestion
>
>   drivers/media/platform/aspeed-video.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/media/platform/aspeed-video.c b/drivers/media/platform/aspeed-video.c
> index eb12f3793062..2aa8ea2f9824 100644
> --- a/drivers/media/platform/aspeed-video.c
> +++ b/drivers/media/platform/aspeed-video.c
> @@ -1646,7 +1646,7 @@ static int aspeed_video_probe(struct platform_device *pdev)
>   {
>   	int rc;
>   	struct resource *res;
> -	struct aspeed_video *video = kzalloc(sizeof(*video), GFP_KERNEL);
> +	struct aspeed_video *video = devm_kzalloc(sizeof(*video), GFP_KERNEL);

It can't be compiled. devm_kzalloc should have 3 parameters.

Cheers,

Jae