Since a8bb6818270c __intel_framebuffer_create() is called with struct_mutex held, so it should use drm_gem_object_unreference() instead of drm_gem_object_unreference_unlocked().
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov khoroshilov@ispras.ru --- drivers/gpu/drm/i915/intel_display.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index f0a1a56406eb..80f3e5a03059 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -8561,7 +8561,7 @@ __intel_framebuffer_create(struct drm_device *dev,
intel_fb = kzalloc(sizeof(*intel_fb), GFP_KERNEL); if (!intel_fb) { - drm_gem_object_unreference_unlocked(&obj->base); + drm_gem_object_unreference(&obj->base); return ERR_PTR(-ENOMEM); }
@@ -8571,7 +8571,7 @@ __intel_framebuffer_create(struct drm_device *dev,
return &intel_fb->base; err: - drm_gem_object_unreference_unlocked(&obj->base); + drm_gem_object_unreference(&obj->base); kfree(intel_fb);
return ERR_PTR(ret);