drm/qxl: unset a pointer in sync_obj_unref
This fixes a BUG_ON(bo->sync_obj != NULL); in ttm_bo_release_list. Cc: stable@vger.kernel.org #v3.10+ Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
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@ -433,6 +433,7 @@ static int qxl_sync_obj_flush(void *sync_obj)
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static void qxl_sync_obj_unref(void **sync_obj)
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{
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*sync_obj = NULL;
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}
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static void *qxl_sync_obj_ref(void *sync_obj)
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