[v3,7/7] media: mediatek: vcodec: remove media request checking

Message ID 20240613075532.32128-8-yunfei.dong@mediatek.com (mailing list archive)
State TODO
Delegated to: Sebastian Fricke
Headers
Series media: mediatek: vcodec: fix v4l2_ctrl_request_complete fail |

Commit Message

Yunfei Dong (董云飞) June 13, 2024, 7:55 a.m. UTC
  If the media request of each source buffer is NULL, need to
set the buffer status to error, then schedule again in case
of access NULL pointer. No need to check again after media
request pointer is non zero.

Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com>
---
 .../vcodec/decoder/mtk_vcodec_dec_stateless.c      | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)
  

Patch

diff --git a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_stateless.c b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_stateless.c
index 3dba3549000a..43af18df03ea 100644
--- a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_stateless.c
+++ b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_stateless.c
@@ -359,10 +359,14 @@  static void mtk_vdec_worker(struct work_struct *work)
 			  ctx->id, bs_src->va, &bs_src->dma_addr, bs_src->size, vb2_src);
 	/* Apply request controls. */
 	src_buf_req = vb2_src->req_obj.req;
-	if (src_buf_req)
+	if (src_buf_req) {
 		v4l2_ctrl_request_setup(src_buf_req, &ctx->ctrl_hdl);
-	else
+	} else {
 		mtk_v4l2_vdec_err(ctx, "vb2 buffer media request is NULL");
+		v4l2_m2m_buf_done(vb2_v4l2_src, VB2_BUF_STATE_ERROR);
+		v4l2_m2m_job_finish(dev->m2m_dev_dec, ctx->m2m_ctx);
+		return;
+	}
 
 	ret = vdec_if_decode(ctx, bs_src, NULL, &res_chg);
 	if (ret && ret != -EAGAIN) {
@@ -380,8 +384,7 @@  static void mtk_vdec_worker(struct work_struct *work)
 	state = ret ? VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE;
 	if (!IS_VDEC_LAT_ARCH(dev->vdec_pdata->hw_arch) ||
 	    ctx->current_codec == V4L2_PIX_FMT_VP8_FRAME) {
-		if (src_buf_req)
-			v4l2_ctrl_request_complete(src_buf_req, &ctx->ctrl_hdl);
+		v4l2_ctrl_request_complete(src_buf_req, &ctx->ctrl_hdl);
 		vb2_v4l2_dst = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
 		v4l2_m2m_buf_done(vb2_v4l2_dst, state);
 		v4l2_m2m_buf_done(vb2_v4l2_src, state);
@@ -398,8 +401,7 @@  static void mtk_vdec_worker(struct work_struct *work)
 	 */
 	ctx->last_vb2_v4l2_src = (ret != -EAGAIN) ? NULL : vb2_v4l2_src;
 	if (ret && ret != -EAGAIN) {
-		if (src_buf_req)
-			v4l2_ctrl_request_complete(src_buf_req, &ctx->ctrl_hdl);
+		v4l2_ctrl_request_complete(src_buf_req, &ctx->ctrl_hdl);
 		v4l2_m2m_buf_done(vb2_v4l2_src, state);
 	}