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drm: fix locking in gem debugfs/procfs file
The idr is protected with our spinlock, if we don't hold that nothing prevents the gem objects from disappearing from under us. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com>
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@ -218,7 +218,11 @@ int drm_gem_name_info(struct seq_file *m, void *data)
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struct drm_device *dev = node->minor->dev;
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struct drm_device *dev = node->minor->dev;
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seq_printf(m, " name size handles refcount\n");
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seq_printf(m, " name size handles refcount\n");
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spin_lock(&dev->object_name_lock);
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idr_for_each(&dev->object_name_idr, drm_gem_one_name_info, m);
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idr_for_each(&dev->object_name_idr, drm_gem_one_name_info, m);
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spin_unlock(&dev->object_name_lock);
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return 0;
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return 0;
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}
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}
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