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Subject: media: mediatek: vcodec: Handle invalid encoder vsi
Author: Irui Wang <irui.w...@mediatek.com>
Date: Sat Oct 7 19:33:47 2023 +0800
Handle invalid encoder vsi in vpu_enc_init to ensure the encoder
vsi is valid for future use.
Fixes: 1972e32431ed ("media: mediatek: vcodec: Fix possible invalid memory
access for encoder")
Signed-off-by: Irui Wang <irui.w...@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno
<angelogioacchino.delre...@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl>
drivers/media/platform/mediatek/vcodec/encoder/venc_vpu_if.c | 5 +++++
1 file changed, 5 insertions(+)
---
diff --git a/drivers/media/platform/mediatek/vcodec/encoder/venc_vpu_if.c
b/drivers/media/platform/mediatek/vcodec/encoder/venc_vpu_if.c
index d299cc2962a5..39e8f3ac53ca 100644
--- a/drivers/media/platform/mediatek/vcodec/encoder/venc_vpu_if.c
+++ b/drivers/media/platform/mediatek/vcodec/encoder/venc_vpu_if.c
@@ -153,6 +153,11 @@ int vpu_enc_init(struct venc_vpu_inst *vpu)
return -EINVAL;
}
+ if (IS_ERR_OR_NULL(vpu->vsi)) {
+ mtk_venc_err(vpu->ctx, "invalid venc vsi");
+ return -EINVAL;
+ }
+
return 0;
}
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