linux-kernel - Re: [PATCH] drm/nouveau/secboot/acr: fix memory leak

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Message-ID: <d9e87a82-f70f-3eca-5f63-2450863e7099@embeddedor.com>
Date:   Thu, 2 Aug 2018 14:51:32 -0500
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     Kees Cook <keescook@...omium.org>, Ben Skeggs <bskeggs@...hat.com>,
        David Airlie <airlied@...ux.ie>
Cc:     dri-devel@...ts.freedesktop.org, nouveau@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/nouveau/secboot/acr: fix memory leak

Hi all,

Friendly ping! Who can take this?

Thanks
--
Gustavo

On 07/24/2018 08:27 AM, Gustavo A. R. Silva wrote:
> In case memory resources for *bl_desc* were allocated, release
> them before return.
> 
> Addresses-Coverity-ID: 1472021 ("Resource leak")
> Fixes: 0d466901552a ("drm/nouveau/secboot/acr: Remove VLA usage")
> Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
> ---
>  drivers/gpu/drm/nouveau/nvkm/subdev/secboot/acr_r352.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/acr_r352.c b/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/acr_r352.c
> index d02e183..5c14d6a 100644
> --- a/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/acr_r352.c
> +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/acr_r352.c
> @@ -801,6 +801,7 @@ acr_r352_load(struct nvkm_acr *_acr, struct nvkm_falcon *falcon,
>  		bl = acr->hsbl_unload_blob;
>  	} else {
>  		nvkm_error(_acr->subdev, "invalid secure boot blob!\n");
> +		kfree(bl_desc);
>  		return -EINVAL;
>  	}
>  
>