drm/i915: Fix use after free within tracepoint

[firefly-linux-kernel-4.4.55.git] / drivers / gpu / drm / i915 / i915_gem.c

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index edd6098743b295613b431fe5d6673fe9b1a0c97f..c9bdaf208a91f9e2023d621107716ac77b68fb1c 100644 (file)
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -3603,6 +3603,8 @@ static void i915_gem_free_object_tail(struct drm_i915_gem_object *obj)
                return;
        }
 
+       trace_i915_gem_object_destroy(obj);
+
        if (obj->base.map_list.map)
                i915_gem_free_mmap_offset(obj);
 
@@ -3612,8 +3614,6 @@ static void i915_gem_free_object_tail(struct drm_i915_gem_object *obj)
        kfree(obj->page_cpu_valid);
        kfree(obj->bit_17);
        kfree(obj);
-
-       trace_i915_gem_object_destroy(obj);
 }
 
 void i915_gem_free_object(struct drm_gem_object *gem_obj)