linux-kernel - [PATCH 3.13 091/120] drm/nouveau: fix lock unbalance in nouveau_crtc_page

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Message-Id: <20140211184826.205569422@linuxfoundation.org>
Date:	Tue, 11 Feb 2014 11:05:32 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Fengguang Wu <fengguang.wu@...el.com>,
	Maarten Lankhorst <maarten.lankhorst@...onical.com>,
	Ben Skeggs <bskeggs@...hat.com>
Subject: [PATCH 3.13 091/120] drm/nouveau: fix lock unbalance in nouveau_crtc_page_flip

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

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

From: Maarten Lankhorst <maarten.lankhorst@...onical.com>

commit 09c3de135063f93d7137ad112f551f293b1204cf upstream.

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

Reported-by: Fengguang Wu <fengguang.wu@...el.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@...onical.com>
Signed-off-by: Ben Skeggs <bskeggs@...hat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 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)


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