[PATCH 1/5] drm/mediatek: Remove freeing not dynamic allocated memory

CK Hu (胡俊光) ck.hu at mediatek.com
Mon Jun 12 01:06:47 PDT 2023


Hi, Jason:

On Fri, 2023-04-07 at 14:46 +0800, Jason-JH.Lin wrote:
> Fixing the coverity issue of:
> mtk_drm_cmdq_pkt_destroy frees address of mtk_crtc->cmdq_handle
> 
> So remove the free function.
> 
> Signed-off-by: Jason-JH.Lin <jason-jh.lin at mediatek.com>
> Fixes: 7627122fd1c0 ("drm/mediatek: Add cmdq_handle in mtk_crtc")
> ---
>  drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> index 4bc45cdbddf1..c7b03e564095 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
> @@ -148,7 +148,6 @@ static void mtk_drm_cmdq_pkt_destroy(struct
> cmdq_pkt *pkt)
>  	dma_unmap_single(client->chan->mbox->dev, pkt->pa_base, pkt-
> >buf_size,
>  			 DMA_TO_DEVICE);
>  	kfree(pkt->va_base);
> -	kfree(pkt);


Also fix the same problem in mtk_drm_cmdq_pkt_create().

Regards,
CK

>  }
>  #endif
>  


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