[3.5.y.z extended stable] Patch "drm/nouveau: when bailing out of a pushbuf ioctl, do not remove" has been added to staging queue

Luis Henriques luis.henriques at canonical.com
Fri Nov 29 14:02:55 UTC 2013

This is a note to let you know that I have just added a patch titled

    drm/nouveau: when bailing out of a pushbuf ioctl, do not remove

to the linux-3.5.y-queue branch of the 3.5.y.z extended stable tree 
which can be found at:


If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.5.y.z tree, see



>From c46ab97e5e69f972088db35d3481d145505625d1 Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs at redhat.com>
Date: Wed, 13 Nov 2013 15:18:32 +1000
Subject: drm/nouveau: when bailing out of a pushbuf ioctl, do not remove
 previous fence

commit 9360bd1112d8874d21942e2ae74f5416b00a8db6 upstream.

Signed-off-by: Ben Skeggs <bskeggs at redhat.com>
Signed-off-by: Luis Henriques <luis.henriques at 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 30f5423..9a5851a 100644
--- a/drivers/gpu/drm/nouveau/nouveau_gem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_gem.c
@@ -286,7 +286,8 @@ 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)) {

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