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Subject[PATCH 3.8 120/152] drm/nouveau: when bailing out of a pushbuf ioctl, do not remove previous fence
Date
3.8.13.14 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Ben Skeggs <bskeggs@redhat.com>

commit 9360bd1112d8874d21942e2ae74f5416b00a8db6 upstream.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
drivers/gpu/drm/nouveau/nouveau_gem.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c
index 8bf695c..3aa8e2f 100644
--- a/drivers/gpu/drm/nouveau/nouveau_gem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_gem.c
@@ -288,7 +288,8 @@ validate_fini_list(struct list_head *list, struct nouveau_fence *fence)
list_for_each_safe(entry, tmp, list) {
nvbo = list_entry(entry, struct nouveau_bo, entry);

- nouveau_bo_fence(nvbo, fence);
+ if (likely(fence))
+ nouveau_bo_fence(nvbo, fence);

if (unlikely(nvbo->validate_mapped)) {
ttm_bo_kunmap(&nvbo->kmap);
--
1.8.3.2


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