[v2,5/7] media: mediatek: vcodec: remove unused lat_buf

Message ID 20221219064332.2124-6-yunfei.dong@mediatek.com
State New
Headers
Series media: mediatek: vcodec: Fix power_VideoCall test fail |

Commit Message

Yunfei Dong (董云飞) Dec. 19, 2022, 6:43 a.m. UTC
  Remove unused lat_buf from core list, or leading to core list access
NULL point.

Fixes: 365e4ba01df4 ("media: mtk-vcodec: Add work queue for core hardware decode")
Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com>
---
 .../platform/mediatek/vcodec/vdec_msg_queue.c  | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)
  

Comments

AngeloGioacchino Del Regno Dec. 20, 2022, 9:32 a.m. UTC | #1
Il 19/12/22 07:43, Yunfei Dong ha scritto:
> Remove unused lat_buf from core list, or leading to core list access
> NULL point.
> 
> Fixes: 365e4ba01df4 ("media: mtk-vcodec: Add work queue for core hardware decode")
> Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
  

Patch

diff --git a/drivers/media/platform/mediatek/vcodec/vdec_msg_queue.c b/drivers/media/platform/mediatek/vcodec/vdec_msg_queue.c
index 1491796f7d39..0255b8385bfc 100644
--- a/drivers/media/platform/mediatek/vcodec/vdec_msg_queue.c
+++ b/drivers/media/platform/mediatek/vcodec/vdec_msg_queue.c
@@ -177,7 +177,7 @@  bool vdec_msg_queue_wait_lat_buf_full(struct vdec_msg_queue *msg_queue)
 	struct vdec_lat_buf *buf, *tmp;
 	struct vdec_msg_queue_ctx *core_ctx;
 	long timeout_jiff;
-	int ret;
+	int ret, count = 0;
 
 	core_ctx = &msg_queue->ctx->dev->msg_queue_core_ctx;
 	spin_lock(&core_ctx->ready_lock);
@@ -199,8 +199,20 @@  bool vdec_msg_queue_wait_lat_buf_full(struct vdec_msg_queue *msg_queue)
 			       msg_queue->lat_ctx.ready_num);
 		return true;
 	}
-	mtk_v4l2_err("failed with lat buf isn't full: %d",
-		     msg_queue->lat_ctx.ready_num);
+
+	spin_lock(&core_ctx->ready_lock);
+	list_for_each_entry_safe(buf, tmp, &core_ctx->ready_queue, core_list) {
+		if (buf && buf->ctx == msg_queue->ctx) {
+			count++;
+			list_del(&buf->core_list);
+		}
+	}
+	spin_unlock(&core_ctx->ready_lock);
+
+	mtk_v4l2_err("failed with lat buf isn't full: list(%d %d) count:%d",
+		     atomic_read(&msg_queue->lat_list_cnt),
+		     atomic_read(&msg_queue->core_list_cnt), count);
+
 	return false;
 }