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Subject[PATCH 3.12 054/103] drm/qxl: unset a pointer in sync_obj_unref
Date
From: Maarten Lankhorst <maarten.lankhorst@canonical.com>

3.12-stable review patch. If anyone has any objections, please let me know.

===============

commit 41ccec352f3c823931a7d9d2a9c7880c14d7415a 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: Jiri Slaby <jslaby@suse.cz>
---
drivers/gpu/drm/qxl/qxl_ttm.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/qxl/qxl_ttm.c b/drivers/gpu/drm/qxl/qxl_ttm.c
index 037786d7c1dc..ed90fbe63686 100644
--- a/drivers/gpu/drm/qxl/qxl_ttm.c
+++ b/drivers/gpu/drm/qxl/qxl_ttm.c
@@ -433,6 +433,7 @@ 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)
--
1.9.3


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