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-rw-r--r--drivers/gpu/drm/msm/msm_drv.h6
-rw-r--r--drivers/gpu/drm/msm/msm_gem_submit.c2
2 files changed, 0 insertions, 8 deletions
diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h
index 9853e3e58042..c46dc12dbbcc 100644
--- a/drivers/gpu/drm/msm/msm_drv.h
+++ b/drivers/gpu/drm/msm/msm_drv.h
@@ -154,12 +154,6 @@ struct msm_drm_private {
struct shrinker shrinker;
struct msm_vblank_ctrl vblank_ctrl;
-
- /* task holding struct_mutex.. currently only used in submit path
- * to detect and reject faults from copy_from_user() for submit
- * ioctl.
- */
- struct task_struct *struct_mutex_task;
};
struct msm_format {
diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c
index d3551aa130fb..69868682f8f4 100644
--- a/drivers/gpu/drm/msm/msm_gem_submit.c
+++ b/drivers/gpu/drm/msm/msm_gem_submit.c
@@ -463,7 +463,6 @@ int msm_ioctl_gem_submit(struct drm_device *dev, void *data,
goto out_unlock;
}
}
- priv->struct_mutex_task = current;
submit = submit_create(dev, gpu, queue, args->nr_bos, args->nr_cmds);
if (!submit) {
@@ -581,7 +580,6 @@ out:
out_unlock:
if (ret && (out_fence_fd >= 0))
put_unused_fd(out_fence_fd);
- priv->struct_mutex_task = NULL;
mutex_unlock(&dev->struct_mutex);
return ret;
}

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