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drm/qxl: Fix crash in eviction from qxl_release_fence_buffer_objects

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This crash was already here before the conversion, but qxl never leaked
hard enough to hit this.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
This commit is contained in:
Maarten Lankhorst 2014-09-03 17:02:44 +02:00
parent b75402c9f9
commit 58b21c22c6
1 changed files with 1 additions and 1 deletions
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drivers/gpu/drm/qxl/qxl_release.c
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@ -440,7 +440,7 @@ void qxl_release_fence_buffer_objects(struct qxl_release *release)
/* if only one object on the release its the release itself
since these objects are pinned no need to reserve */
if (list_is_singular(&release->bos))
if (list_is_singular(&release->bos) || list_empty(&release->bos))
return;
bo = list_first_entry(&release->bos, struct ttm_validate_buffer, head)->bo;