From: "CK Hu (胡俊光)" <ck.hu@mediatek.com>
To: "Jason-JH Lin (林睿祥)" <Jason-JH.Lin@mediatek.com>,
"chunkuang.hu@kernel.org" <chunkuang.hu@kernel.org>,
"angelogioacchino.delregno@collabora.com"
<angelogioacchino.delregno@collabora.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"Singo Chang (張興國)" <Singo.Chang@mediatek.com>,
"linux-mediatek@lists.infradead.org"
<linux-mediatek@lists.infradead.org>,
"Jason-ch Chen (陳建豪)" <Jason-ch.Chen@mediatek.com>,
"Shawn Sung (宋孝謙)" <Shawn.Sung@mediatek.com>,
"Nancy Lin (林欣螢)" <Nancy.Lin@mediatek.com>,
"dri-devel@lists.freedesktop.org"
<dri-devel@lists.freedesktop.org>,
Project_Global_Chrome_Upstream_Group
<Project_Global_Chrome_Upstream_Group@mediatek.com>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"matthias.bgg@gmail.com" <matthias.bgg@gmail.com>,
"Rex-BC Chen (陳柏辰)" <Rex-BC.Chen@mediatek.com>
Subject: Re: [PATCH 1/5] drm/mediatek: Remove freeing not dynamic allocated memory
Date: Mon, 12 Jun 2023 08:06:47 +0000 [thread overview]
Message-ID: <2ff94f781b17c25229d547e763f74ef43aac35f6.camel@mediatek.com> (raw)
In-Reply-To: <20230407064657.12350-2-jason-jh.lin@mediatek.com>
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@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
>
next parent reply other threads:[~2023-06-12 8:08 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20230407064657.12350-1-jason-jh.lin@mediatek.com>
[not found] ` <20230407064657.12350-2-jason-jh.lin@mediatek.com>
2023-06-12 8:06 ` CK Hu (胡俊光) [this message]
2023-06-13 7:06 ` Jason-JH Lin (林睿祥)
[not found] ` <20230407064657.12350-3-jason-jh.lin@mediatek.com>
2023-06-12 8:21 ` [PATCH 2/5] drm/mediatek: Add cnt checking for coverity issue CK Hu (胡俊光)
2023-06-13 7:07 ` Jason-JH Lin (林睿祥)
[not found] ` <20230407064657.12350-4-jason-jh.lin@mediatek.com>
2023-06-12 8:27 ` [PATCH 3/5] drm/mediatek: Add initialization for mtk_gem_obj CK Hu (胡俊光)
2023-06-13 7:20 ` Jason-JH Lin (林睿祥)
[not found] ` <20230407064657.12350-5-jason-jh.lin@mediatek.com>
2023-06-12 9:05 ` [PATCH 4/5] drm/mediatek: Add casting before assign CK Hu (胡俊光)
2023-06-13 8:26 ` Jason-JH Lin (林睿祥)
[not found] ` <20230407064657.12350-6-jason-jh.lin@mediatek.com>
2023-06-12 9:10 ` [PATCH 5/5] drm/mediatek: Fix dereference before null check CK Hu (胡俊光)
2023-06-13 9:05 ` Jason-JH Lin (林睿祥)
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