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Message-ID: <20200604072708.9468-3-xia.jiang@mediatek.com>
Date: Thu, 4 Jun 2020 15:26:52 +0800
From: Xia Jiang <xia.jiang@...iatek.com>
To: Hans Verkuil <hverkuil-cisco@...all.nl>,
Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Matthias Brugger <matthias.bgg@...il.com>,
Rick Chang <rick.chang@...iatek.com>
CC: <linux-media@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-mediatek@...ts.infradead.org>,
Marek Szyprowski <m.szyprowski@...sung.com>,
Tomasz Figa <tfiga@...omium.org>,
<srv_heupstream@...iatek.com>, <senozhatsky@...omium.org>,
<mojahsu@...omium.org>, <drinkcat@...omium.org>,
<maoguang.meng@...iatek.com>, <sj.huang@...iatek.com>,
Xia Jiang <xia.jiang@...iatek.com>
Subject: [PATCH v9 02/18] media: platform: Improve queue set up flow for bug fixing
Add checking created buffer size follow in mtk_jpeg_queue_setup().
Reviewed-by: Tomasz Figa <tfiga@...omium.org>
Signed-off-by: Xia Jiang <xia.jiang@...iatek.com>
---
v9: no changes
---
drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
index 4ad4a4b30a0e..67a022d04df7 100644
--- a/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
+++ b/drivers/media/platform/mtk-jpeg/mtk_jpeg_core.c
@@ -571,6 +571,13 @@ static int mtk_jpeg_queue_setup(struct vb2_queue *q,
if (!q_data)
return -EINVAL;
+ if (*num_planes) {
+ for (i = 0; i < *num_planes; i++)
+ if (sizes[i] < q_data->sizeimage[i])
+ return -EINVAL;
+ return 0;
+ }
+
*num_planes = q_data->fmt->colplanes;
for (i = 0; i < q_data->fmt->colplanes; i++) {
sizes[i] = q_data->sizeimage[i];
--
2.18.0
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