evie/android_kernel_oneplus_msm8998
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Merge "msm: ais: isp: Handling buffer use after getting it freed"

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Linux Build Service Account 2018-03-19 18:03:21 -07:00 • committed by Gerrit - the friendly Code Review server
commit fd46324f9e
3 changed files with 17 additions and 3 deletions
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7
drivers/media/platform/msm/ais/isp/msm_isp47.c
View file

@ -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);

4
drivers/media/platform/msm/ais/isp/msm_isp_axi_util.c
View file

@ -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__);

9
drivers/media/platform/msm/ais/isp/msm_isp_util.c
View file

@ -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: