[PATCH 3.13 091/120] drm/nouveau: fix lock unbalance in nouveau_crtc_page_flip

From: Greg Kroah-Hartman
Date: Tue Feb 11 2014 - 15:32:07 EST


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

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

From: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxx>

commit 09c3de135063f93d7137ad112f551f293b1204cf upstream.

Fixes a regression introduced by d5c1e84b3a130f0
"drm/nouveau: hold mutex while syncing to kernel channel".

Reported-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxx>
Signed-off-by: Ben Skeggs <bskeggs@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
drivers/gpu/drm/nouveau/nouveau_display.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -618,7 +618,7 @@ nouveau_crtc_page_flip(struct drm_crtc *
ret = nouveau_fence_sync(fence, chan);
nouveau_fence_unref(&fence);
if (ret)
- goto fail_free;
+ goto fail_unpin;

ret = ttm_bo_reserve(&old_bo->bo, true, false, false, NULL);
if (ret)


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/