From: Matthew Auld Date: Thu, 17 Nov 2016 21:04:11 +0000 (+0000) Subject: drm/i915: don't leak global_timeline X-Git-Tag: v4.14-rc1~674^2~37^2~835 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ea84aa776fb996130662ac16f59218117a39a311;p=platform%2Fkernel%2Flinux-rpi.git drm/i915: don't leak global_timeline We need to clean up the global_timeline in i915_gem_load_cleanup. v2: don't forget about the struct_mutex, and also WARN_ON if we have any remaining timelines before purging the global_timeline. v3: it might be a good idea to first remove the global_timeline...duh! Fixes: 73cb97010d4f ("drm/i915: Combine seqno + tracking into a global timeline struct") Cc: Chris Wilson Signed-off-by: Matthew Auld Reviewed-by: Chris Wilson Signed-off-by: Chris Wilson Link: http://patchwork.freedesktop.org/patch/msgid/1479415087-13216-1-git-send-email-matthew.auld@intel.com Link: http://patchwork.freedesktop.org/patch/msgid/20161117210411.14044-2-chris@chris-wilson.co.uk --- diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 1fa3813..7b9f5b9 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -4554,6 +4554,11 @@ void i915_gem_load_cleanup(struct drm_device *dev) WARN_ON(!llist_empty(&dev_priv->mm.free_list)); + mutex_lock(&dev_priv->drm.struct_mutex); + i915_gem_timeline_fini(&dev_priv->gt.global_timeline); + WARN_ON(!list_empty(&dev_priv->gt.timelines)); + mutex_unlock(&dev_priv->drm.struct_mutex); + kmem_cache_destroy(dev_priv->dependencies); kmem_cache_destroy(dev_priv->requests); kmem_cache_destroy(dev_priv->vmas);