linux-kernel - Re: [PATCH v2] drm/msm/a6xx: Fix a size determination in a6xx_get_indexed

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Message-ID: <20200923150618.GE31425@jcrouse1-lnx.qualcomm.com>
Date:   Wed, 23 Sep 2020 09:06:19 -0600
From:   Jordan Crouse <jcrouse@...eaurora.org>
To:     Zhenzhong Duan <zhenzhong.duan@...il.com>
Cc:     linux-kernel@...r.kernel.org, robdclark@...il.com, sean@...rly.run,
        airlied@...ux.ie, daniel@...ll.ch, smasetty@...eaurora.org,
        jonathan@...ek.ca, linux-arm-msm@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        Markus.Elfring@....de
Subject: Re: [PATCH v2] drm/msm/a6xx: Fix a size determination in
 a6xx_get_indexed_registers()

On Mon, Sep 14, 2020 at 10:29:49AM +0800, Zhenzhong Duan wrote:
> It's allocating an array of a6xx_gpu_state_obj structure rather than
> its pointers.
> 
> Fixes: d6852b4b2d01 ("drm/msm/a6xx: Track and manage a6xx state memory")
> Signed-off-by: Zhenzhong Duan <zhenzhong.duan@...il.com>

Reviewed-by: Jordan Crouse <jcrouse@...eaurora.org>
> ---
> v2: Update commit message per Markus, thanks
> 
>  drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c
> index b12f5b4..e9ede19 100644
> --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c
> +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c
> @@ -875,7 +875,7 @@ static void a6xx_get_indexed_registers(struct msm_gpu *gpu,
>  	int i;
>  
>  	a6xx_state->indexed_regs = state_kcalloc(a6xx_state, count,
> -		sizeof(a6xx_state->indexed_regs));
> +		sizeof(*a6xx_state->indexed_regs));
>  	if (!a6xx_state->indexed_regs)
>  		return;
>  
> -- 
> 1.8.3.1
> 

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