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authorThomas Hellstrom <thellstrom@vmware.com>2009-08-03 12:39:06 +0200
committerDave Airlie <airlied@redhat.com>2009-08-04 13:41:05 +1000
commitfee280d3fd9bc5247bef9f4ab35a4693bfffdcfd (patch)
tree8105956fc8da63d8e5bba0453841ea84e00e5d5b /drivers/gpu
parentc9b7fb54f0a51e587fa09be3a85666b43d36a850 (diff)
drm/ttm: Fix a sync object leak.
If there are multiple simultaneous waiters for the same buffer object, a temporary reference to its sync object may be leaked. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/ttm/ttm_bo.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 6538d423698..aa82d5370c3 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -1575,6 +1575,10 @@ int ttm_bo_wait(struct ttm_buffer_object *bo,
driver->sync_obj_unref(&sync_obj);
driver->sync_obj_unref(&tmp_obj);
spin_lock(&bo->lock);
+ } else {
+ spin_unlock(&bo->lock);
+ driver->sync_obj_unref(&sync_obj);
+ spin_lock(&bo->lock);
}
}
return 0;