For drm_gem_object_unreference callers are required to hold
dev->struct_mutex, which these paths don't. Enforcing this requirement
has become a bit more strict with
commit ef4c6270bf2867e2f8032e9614d1a8cfc6c71663
Author: Daniel Vetter <daniel.vetter@xxxxxxxx>
Date: Thu Oct 15 09:36:25 2015 +0200
drm/gem: Check locking in drm_gem_object_unreference
Cc: Dave Airlie <airlied@xxxxxxxxxx>
Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
---
drivers/gpu/drm/qxl/qxl_fb.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/qxl/qxl_fb.c b/drivers/gpu/drm/qxl/qxl_fb.c
index 7136e521e6db..bb7ce07b788b 100644
--- a/drivers/gpu/drm/qxl/qxl_fb.c
+++ b/drivers/gpu/drm/qxl/qxl_fb.c
@@ -443,11 +443,11 @@ out_unref:
}
}
if (fb && ret) {
- drm_gem_object_unreference(gobj);
+ drm_gem_object_unreference_unlocked(gobj);
drm_framebuffer_cleanup(fb);
kfree(fb);
}
- drm_gem_object_unreference(gobj);
+ drm_gem_object_unreference_unlocked(gobj);
return ret;
}
--
2.8.0.rc3
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