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Subject[PATCH] media: imx-jpeg: Fix potential array out of bounds in queue_setup
Date
Fix smatch warning in mxc_jpeg_queue_setup, check *nplanes against
current format:

drivers/media/platform/imx-jpeg/mxc-jpeg.c:1070
mxc_jpeg_queue_setup()
warn: potential user controlled iterator 'i' (array size 2 vs 7)

Signed-off-by: Mirela Rabulea <mirela.rabulea@oss.nxp.com>
---
drivers/media/platform/imx-jpeg/mxc-jpeg.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/media/platform/imx-jpeg/mxc-jpeg.c b/drivers/media/platform/imx-jpeg/mxc-jpeg.c
index fed762491379..f4819168c85d 100644
--- a/drivers/media/platform/imx-jpeg/mxc-jpeg.c
+++ b/drivers/media/platform/imx-jpeg/mxc-jpeg.c
@@ -1066,6 +1066,8 @@ static int mxc_jpeg_queue_setup(struct vb2_queue *q,

/* Handle CREATE_BUFS situation - *nplanes != 0 */
if (*nplanes) {
+ if (*nplanes != q_data->fmt->colplanes)
+ return -EINVAL;
for (i = 0; i < *nplanes; i++) {
if (sizes[i] < q_data->sizeimage[i])
return -EINVAL;
--
2.25.1
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