This is a note to let you know that I've just added the patch titled
media: mediatek: vcodec: Handle invalid decoder vsi
to the 6.6-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
media-mediatek-vcodec-handle-invalid-decoder-vsi.patch
and it can be found in the queue-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 837389c5a2050e973b8c7a5b6ae347f42f082b9d
Author: Irui Wang <irui.wang@xxxxxxxxxxxx>
Date: Thu Mar 21 09:47:54 2024 +0800
media: mediatek: vcodec: Handle invalid decoder vsi
[ Upstream commit 59d438f8e02ca641c58d77e1feffa000ff809e9f ]
Handle an invalid decoder vsi in vpu_dec_init to ensure the decoder vsi
is valid for future use.
Fixes: 590577a4e525 ("[media] vcodec: mediatek: Add Mediatek V4L2 Video Decoder Driver")
Signed-off-by: Irui Wang <irui.wang@xxxxxxxxxxxx>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
Signed-off-by: Sebastian Fricke <sebastian.fricke@xxxxxxxxxxxxx>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/media/platform/mediatek/vcodec/decoder/vdec_vpu_if.c b/drivers/media/platform/mediatek/vcodec/decoder/vdec_vpu_if.c
index da6be556727bb..145958206e38a 100644
--- a/drivers/media/platform/mediatek/vcodec/decoder/vdec_vpu_if.c
+++ b/drivers/media/platform/mediatek/vcodec/decoder/vdec_vpu_if.c
@@ -233,6 +233,12 @@ int vpu_dec_init(struct vdec_vpu_inst *vpu)
mtk_vdec_debug(vpu->ctx, "vdec_inst=%p", vpu);
err = vcodec_vpu_send_msg(vpu, (void *)&msg, sizeof(msg));
+
+ if (IS_ERR_OR_NULL(vpu->vsi)) {
+ mtk_vdec_err(vpu->ctx, "invalid vdec vsi, status=%d", err);
+ return -EINVAL;
+ }
+
mtk_vdec_debug(vpu->ctx, "- ret=%d", err);
return err;
}
