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Commit fd46324f authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "msm: ais: isp: Handling buffer use after getting it freed"

parents d9971853 50628220

drivers/media/platform/msm/ais/isp/msm_isp47.c

+5 −2
Original line number Diff line number Diff line
@@ -1038,16 +1038,18 @@ int msm_vfe47_start_fetch_engine(struct vfe_device *vfe_dev, 
			vfe_dev->buf_mgr, fe_cfg->session_id,

			fe_cfg->stream_id);

		vfe_dev->fetch_engine_info.bufq_handle = bufq_handle;



		mutex_lock(&vfe_dev->buf_mgr->lock);

		rc = vfe_dev->buf_mgr->ops->get_buf_by_index(

			vfe_dev->buf_mgr, bufq_handle, fe_cfg->buf_idx, &buf);

		if (rc < 0 || !buf) {

			pr_err("%s: No fetch buffer rc= %d buf= %pK\n",

				__func__, rc, buf);

			mutex_unlock(&vfe_dev->buf_mgr->lock);

			return -EINVAL;

		}

		mapped_info = buf->mapped_info[0];

		buf->state = MSM_ISP_BUFFER_STATE_DISPATCHED;

		mutex_unlock(&vfe_dev->buf_mgr->lock);

	} else {

		rc = vfe_dev->buf_mgr->ops->map_buf(vfe_dev->buf_mgr,

			&mapped_info, fe_cfg->fd);
@@ -1100,14 +1102,15 @@ int msm_vfe47_start_fetch_engine_multi_pass(struct vfe_device *vfe_dev, 
		mutex_lock(&vfe_dev->buf_mgr->lock);

		rc = vfe_dev->buf_mgr->ops->get_buf_by_index(

			vfe_dev->buf_mgr, bufq_handle, fe_cfg->buf_idx, &buf);

		mutex_unlock(&vfe_dev->buf_mgr->lock);

		if (rc < 0 || !buf) {

			pr_err("%s: No fetch buffer rc= %d buf= %pK\n",

				__func__, rc, buf);

			mutex_unlock(&vfe_dev->buf_mgr->lock);

			return -EINVAL;

		}

		mapped_info = buf->mapped_info[0];

		buf->state = MSM_ISP_BUFFER_STATE_DISPATCHED;

		mutex_unlock(&vfe_dev->buf_mgr->lock);

	} else {

		rc = vfe_dev->buf_mgr->ops->map_buf(vfe_dev->buf_mgr,

			&mapped_info, fe_cfg->fd);

drivers/media/platform/msm/ais/isp/msm_isp_axi_util.c

+4 −0
Original line number Diff line number Diff line
@@ -3822,10 +3822,12 @@ int msm_isp_update_axi_stream(struct vfe_device *vfe_dev, void *arg) 
				&update_cmd->update_info[i];

			stream_info = &axi_data->stream_info[HANDLE_TO_IDX(

				update_info->stream_handle)];

			mutex_lock(&vfe_dev->buf_mgr->lock);

			rc = msm_isp_request_frame(vfe_dev, stream_info,

				update_info->user_stream_id,

				update_info->frame_id,

				MSM_ISP_INVALID_BUF_INDEX);

			mutex_unlock(&vfe_dev->buf_mgr->lock);

			if (rc)

				pr_err("%s failed to request frame!\n",

					__func__);
@@ -3898,10 +3900,12 @@ int msm_isp_update_axi_stream(struct vfe_device *vfe_dev, void *arg) 


		stream_info = &axi_data->stream_info[HANDLE_TO_IDX(

				req_frm->stream_handle)];

		mutex_lock(&vfe_dev->buf_mgr->lock);

		rc = msm_isp_request_frame(vfe_dev, stream_info,

			req_frm->user_stream_id,

			req_frm->frame_id,

			req_frm->buf_index);

		mutex_unlock(&vfe_dev->buf_mgr->lock);

		if (rc)

			pr_err("%s failed to request frame!\n",

				__func__);

drivers/media/platform/msm/ais/isp/msm_isp_util.c

+8 −1
Original line number Diff line number Diff line
@@ -392,9 +392,10 @@ static int msm_isp_start_fetch_engine_multi_pass(struct vfe_device *vfe_dev, 
		vfe_dev->hw_info->vfe_ops.core_ops.reset_hw(vfe_dev,

			0, 1);

		msm_isp_reset_framedrop(vfe_dev, stream_info);



		mutex_lock(&vfe_dev->buf_mgr->lock);

		rc = msm_isp_cfg_offline_ping_pong_address(vfe_dev, stream_info,

			VFE_PING_FLAG, fe_cfg->output_buf_idx);

		mutex_unlock(&vfe_dev->buf_mgr->lock);

		if (rc < 0) {

			pr_err("%s: Fetch engine config failed\n", __func__);

			return -EINVAL;
@@ -918,7 +919,9 @@ static long msm_isp_ioctl_unlocked(struct v4l2_subdev *sd, 
		break;

	case VIDIOC_MSM_ISP_CFG_STREAM:

		mutex_lock(&vfe_dev->core_mutex);

		mutex_lock(&vfe_dev->buf_mgr->lock);

		rc = msm_isp_cfg_axi_stream(vfe_dev, arg);

		mutex_unlock(&vfe_dev->buf_mgr->lock);

		mutex_unlock(&vfe_dev->core_mutex);

		break;

	case VIDIOC_MSM_ISP_CFG_HW_STATE:
@@ -948,6 +951,7 @@ static long msm_isp_ioctl_unlocked(struct v4l2_subdev *sd, 
		break;

	case VIDIOC_MSM_ISP_AXI_RESTART:

		mutex_lock(&vfe_dev->core_mutex);

		mutex_lock(&vfe_dev->buf_mgr->lock);

		if (atomic_read(&vfe_dev->error_info.overflow_state)

			!= HALT_ENFORCED) {

			rc = msm_isp_stats_restart(vfe_dev);
@@ -958,6 +962,7 @@ static long msm_isp_ioctl_unlocked(struct v4l2_subdev *sd, 
			pr_err_ratelimited("%s: no AXI restart, halt enforced.\n",

				__func__);

		}

		mutex_unlock(&vfe_dev->buf_mgr->lock);

		mutex_unlock(&vfe_dev->core_mutex);

		break;

	case VIDIOC_MSM_ISP_INPUT_CFG:
@@ -1017,7 +1022,9 @@ static long msm_isp_ioctl_unlocked(struct v4l2_subdev *sd, 
		break;

	case VIDIOC_MSM_ISP_CFG_STATS_STREAM:

		mutex_lock(&vfe_dev->core_mutex);

		mutex_lock(&vfe_dev->buf_mgr->lock);

		rc = msm_isp_cfg_stats_stream(vfe_dev, arg);

		mutex_unlock(&vfe_dev->buf_mgr->lock);

		mutex_unlock(&vfe_dev->core_mutex);

		break;

	case VIDIOC_MSM_ISP_UPDATE_STATS_STREAM: