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drm/qxl: unset a pointer in sync_obj_unref

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commit 41ccec352f upstream.

This fixes a BUG_ON(bo->sync_obj != NULL); in ttm_bo_release_list.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Maarten Lankhorst
2014-04-01 15:15:47 +02:00
committed by Greg Kroah-Hartman
parent a741acc012
commit dec8ba10d0
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/qxl/qxl_ttm.c
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@@ -431,6 +431,7 @@ static int qxl_sync_obj_flush(void *sync_obj)
static void qxl_sync_obj_unref(void **sync_obj)
{
*sync_obj = NULL;
}
static void *qxl_sync_obj_ref(void *sync_obj)