Re: [PATCH v2 2/2] drm/msm: Leave inuse count intact on map failure

[Jordan Crouse]

On Tue, Sep 22, 2020 at 08:25:27PM +0530, Akhil P Oommen wrote:
> Leave the inuse count intact on map failure to keep the accounting
> accurate.
> 
> Signed-off-by: Akhil P Oommen <akhilpo@xxxxxxxxxxxxxx>

Reviewed-by: Jordan Crouse <jcrouse@xxxxxxxxxxxxxx>

> ---
>  drivers/gpu/drm/msm/msm_gem_vma.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/msm/msm_gem_vma.c b/drivers/gpu/drm/msm/msm_gem_vma.c
> index 80a8a26..f914ddb 100644
> --- a/drivers/gpu/drm/msm/msm_gem_vma.c
> +++ b/drivers/gpu/drm/msm/msm_gem_vma.c
> @@ -88,8 +88,10 @@ msm_gem_map_vma(struct msm_gem_address_space *aspace,
>  		ret = aspace->mmu->funcs->map(aspace->mmu, vma->iova, sgt,
>  				size, prot);
>  
> -	if (ret)
> +	if (ret) {
>  		vma->mapped = false;
> +		vma->inuse--;
> +	}
>  
>  	return ret;
>  }
> -- 
> 2.7.4
> 

-- 
The Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project