diff options
| author | Thomas Hellstrom <thomas-at-tungstengraphics-dot-com> | 2007-06-15 10:21:31 +0200 |
|---|---|---|
| committer | Thomas Hellstrom <thomas-at-tungstengraphics-dot-com> | 2007-06-15 10:26:51 +0200 |
| commit | d34b2c7b9e108766b1d67cd23b8f7ecc77835ac7 (patch) | |
| tree | 8855630a65d5eaac65475d016256b2f2a0fc96dc | |
| parent | e1b8eabeee354822fc0a413dd097210b621eb73a (diff) | |
Fix refcounting / lock race.
Reported by Steve Wilkins / Michel Dänzer.
| -rw-r--r-- | linux-core/drm_bo.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/linux-core/drm_bo.c b/linux-core/drm_bo.c index b9a261d5..2a16ba5a 100644 --- a/linux-core/drm_bo.c +++ b/linux-core/drm_bo.c @@ -618,6 +618,7 @@ int drm_fence_buffer_objects(drm_file_t * priv, if (entry->fence) drm_fence_usage_deref_locked(dev, entry->fence); entry->fence = fence; + atomic_inc(&fence->usage); DRM_FLAG_MASKED(entry->priv_flags, 0, _DRM_BO_FLAG_UNFENCED); DRM_WAKEUP(&entry->event_queue); @@ -627,7 +628,6 @@ int drm_fence_buffer_objects(drm_file_t * priv, drm_bo_usage_deref_locked(entry); l = f_list.next; } - atomic_add(count, &fence->usage); DRM_DEBUG("Fenced %d buffers\n", count); out: mutex_unlock(&dev->struct_mutex); |