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

From: John Hubbard
Date: Fri Sep 07 2018 - 23:08:01 EST


On 8/2/18 12:51 PM, Gustavo A. R. Silva wrote:
> 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@xxxxxxxxxxxxxx>
>> ---
>> 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;
>> }
>>
>>

Hi Gustavo,

Seeing as how I've been working on this corner of Nouveau lately (don't ask, haha),
I reviewed and also tested this. It looks good, you can add:

Reviewed-by: John Hubbard <jhubbard@xxxxxxxxxx>

thanks,
--
John Hubbard
NVIDIA