From 2aee7c5db7c1b828baa93735b70a0ce8a4cdf948 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Wed, 2 Aug 2017 13:32:40 -0700 Subject: [PATCH] drm/vc4: Fix double destroy of the BO cache on teardown. MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit It's also destroyed from the top level vc4_drv.c initialization, which is where the cache was actually initialized from. This used to just involve duplicate del_timer() and cancel_work_sync() being called, but it started causing kmalloc issues once we double-freed the new BO label array. Fixes: 1908a876f909 ("drm/vc4: Add an ioctl for labeling GEM BOs for summary stats") Signed-off-by: Eric Anholt Link: https://patchwork.freedesktop.org/patch/msgid/20170802203242.12815-1-eric@anholt.net Tested-by: Noralf Trønnes Acked-by: Noralf Trønnes Reviewed-by: Boris Brezillon --- drivers/gpu/drm/vc4/vc4_gem.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/gpu/drm/vc4/vc4_gem.c b/drivers/gpu/drm/vc4/vc4_gem.c index 209fccd0d3b4..892a031a3ced 100644 --- a/drivers/gpu/drm/vc4/vc4_gem.c +++ b/drivers/gpu/drm/vc4/vc4_gem.c @@ -1117,6 +1117,4 @@ vc4_gem_destroy(struct drm_device *dev) if (vc4->hang_state) vc4_free_hang_state(dev, vc4->hang_state); - - vc4_bo_cache_destroy(dev); } -- 2.20.1