This is a note to let you know that I've just added the patch titled
media: mediatek: vcodec: Only free buffer VA that is not NULL
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-only-free-buffer-va-that-is-no.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 3cc1eec738a065fda77a5ca59b4e9e2506a91b83
Author: Fei Shao <fshao@xxxxxxxxxxxx>
Date: Thu Dec 21 09:17:46 2023 +0000
media: mediatek: vcodec: Only free buffer VA that is not NULL
[ Upstream commit eb005c801ec70ff4307727bd3bd6e8280169ef32 ]
In the MediaTek vcodec driver, while mtk_vcodec_mem_free() is mostly
called only when the buffer to free exists, there are some instances
that didn't do the check and triggered warnings in practice.
We believe those checks were forgotten unintentionally. Add the checks
back to fix the warnings.
Signed-off-by: Fei Shao <fshao@xxxxxxxxxxxx>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@xxxxxxxxxxxxx>
Signed-off-by: Sebastian Fricke <sebastian.fricke@xxxxxxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_av1_req_lat_if.c b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_av1_req_lat_if.c
index 2b6a5adbc4199..b0e2e59f61b5d 100644
--- a/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_av1_req_lat_if.c
+++ b/drivers/media/platform/mediatek/vcodec/decoder/vdec/vdec_av1_req_lat_if.c
@@ -1023,18 +1023,26 @@ static void vdec_av1_slice_free_working_buffer(struct vdec_av1_slice_instance *i
int i;
for (i = 0; i < ARRAY_SIZE(instance->mv); i++)
- mtk_vcodec_mem_free(ctx, &instance->mv[i]);
+ if (instance->mv[i].va)
+ mtk_vcodec_mem_free(ctx, &instance->mv[i]);
for (i = 0; i < ARRAY_SIZE(instance->seg); i++)
- mtk_vcodec_mem_free(ctx, &instance->seg[i]);
+ if (instance->seg[i].va)
+ mtk_vcodec_mem_free(ctx, &instance->seg[i]);
for (i = 0; i < ARRAY_SIZE(instance->cdf); i++)
- mtk_vcodec_mem_free(ctx, &instance->cdf[i]);
+ if (instance->cdf[i].va)
+ mtk_vcodec_mem_free(ctx, &instance->cdf[i]);
+
- mtk_vcodec_mem_free(ctx, &instance->tile);
- mtk_vcodec_mem_free(ctx, &instance->cdf_temp);
- mtk_vcodec_mem_free(ctx, &instance->cdf_table);
- mtk_vcodec_mem_free(ctx, &instance->iq_table);
+ if (instance->tile.va)
+ mtk_vcodec_mem_free(ctx, &instance->tile);
+ if (instance->cdf_temp.va)
+ mtk_vcodec_mem_free(ctx, &instance->cdf_temp);
+ if (instance->cdf_table.va)
+ mtk_vcodec_mem_free(ctx, &instance->cdf_table);
+ if (instance->iq_table.va)
+ mtk_vcodec_mem_free(ctx, &instance->iq_table);
instance->level = AV1_RES_NONE;
}
diff --git a/drivers/media/platform/mediatek/vcodec/encoder/venc/venc_h264_if.c b/drivers/media/platform/mediatek/vcodec/encoder/venc/venc_h264_if.c
index a68dac72c4e42..f8145998fcaf7 100644
--- a/drivers/media/platform/mediatek/vcodec/encoder/venc/venc_h264_if.c
+++ b/drivers/media/platform/mediatek/vcodec/encoder/venc/venc_h264_if.c
@@ -301,11 +301,12 @@ static void h264_enc_free_work_buf(struct venc_h264_inst *inst)
* other buffers need to be freed by AP.
*/
for (i = 0; i < VENC_H264_VPU_WORK_BUF_MAX; i++) {
- if (i != VENC_H264_VPU_WORK_BUF_SKIP_FRAME)
+ if (i != VENC_H264_VPU_WORK_BUF_SKIP_FRAME && inst->work_bufs[i].va)
mtk_vcodec_mem_free(inst->ctx, &inst->work_bufs[i]);
}
- mtk_vcodec_mem_free(inst->ctx, &inst->pps_buf);
+ if (inst->pps_buf.va)
+ mtk_vcodec_mem_free(inst->ctx, &inst->pps_buf);
}
static int h264_enc_alloc_work_buf(struct venc_h264_inst *inst, bool is_34bit)
