[PATCH 3.10 098/173] drm/nouveau: when bailing out of a pushbuf ioctl, do not remove previous fence

Greg Kroah-Hartman
2013-12-02T20:45:58Z

From: Ben Skeggs <bskeggs@redhat.com>

commit 9360bd1112d8874d21942e2ae74f5416b00a8db6 upstream.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/gpu/drm/nouveau/nouveau_gem.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/gpu/drm/nouveau/nouveau_gem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_gem.c
@@ -287,7 +287,8 @@ validate_fini_list(struct list_head *lis
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);