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[13/13] media: rcar_vin: Reject videobufs that are too small for current format

Message ID 1437654103-26409-14-git-send-email-william.towle@codethink.co.uk (mailing list archive)
State New, archived
Headers show

Commit Message

William Towle July 23, 2015, 12:21 p.m. UTC 
From: Rob Taylor <rob.taylor@codethink.co.uk>

In videobuf_setup reject buffers that are too small for the configured
format. Fixes v4l2-compliance issue.

Signed-off-by: Rob Taylor <rob.taylor@codethink.co.uk>
Reviewed-by: William Towle <william.towle@codethink.co.uk>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
---
 drivers/media/platform/soc_camera/rcar_vin.c |    3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/drivers/media/platform/soc_camera/rcar_vin.c b/drivers/media/platform/soc_camera/rcar_vin.c
index 93e20d6..f4e611b 100644
--- a/drivers/media/platform/soc_camera/rcar_vin.c
+++ b/drivers/media/platform/soc_camera/rcar_vin.c
@@ -541,6 +541,9 @@  static int rcar_vin_videobuf_setup(struct vb2_queue *vq,
 		unsigned int bytes_per_line;
 		int ret;
 
+		if (fmt->fmt.pix.sizeimage < icd->sizeimage)
+			return -EINVAL;
+
 		xlate = soc_camera_xlate_by_fourcc(icd,
 						   fmt->fmt.pix.pixelformat);
 		if (!xlate)