On Mon Jul 6 08:59:27 2026 +0200, Johan Hovold wrote:
> Add the missing sanity check after looking up the SCP to avoid
> dereferencing a NULL-pointer in case its driver has not yet been bound.
>
> Fixes: 61890ccaefaf ("media: platform: mtk-mdp3: add MediaTek MDP3 driver")
> Cc: [email protected] # 6.1
> Cc: Moudy Ho <[email protected]>
> Signed-off-by: Johan Hovold <[email protected]>
> Signed-off-by: Nicolas Dufresne <[email protected]>
> Signed-off-by: Hans Verkuil <[email protected]>
Patch committed.
Thanks,
Hans Verkuil
drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c | 5 +++++
1 file changed, 5 insertions(+)
---
diff --git a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c
b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c
index 121b1006ffdc..f412aadb5996 100644
--- a/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c
+++ b/drivers/media/platform/mediatek/mdp3/mtk-mdp3-core.c
@@ -296,6 +296,11 @@ static int mdp_probe(struct platform_device *pdev)
mdp->scp = platform_get_drvdata(mm_pdev);
}
+ if (!mdp->scp) {
+ ret = -EPROBE_DEFER;
+ goto err_destroy_clock_wq;
+ }
+
mdp->rproc_handle = scp_get_rproc(mdp->scp);
dev_dbg(&pdev->dev, "MDP rproc_handle: %p", mdp->rproc_handle);
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