[PATCH v8 02/14] media: platform: Improve queue set up flow for bug fixing

Xia Jiang
2020-04-03T09:41:47Z

Add checking created buffer size follow in mtk_jpeg_queue_setup().

Signed-off-by: Xia Jiang <xia.jiang@mediatek.com>
---
v8: 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 cde59275d49c..da0dae4b0fc9 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