linux-kernel - [ 127/171] drm/i915: prevent possible pin leak on error path

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Message-Id: <20130115224322.504160423@linuxfoundation.org>
Date:	Tue, 15 Jan 2013 14:44:52 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	alan@...rguk.ukuu.org.uk,
	Herton Ronaldo Krzesinski <herton.krzesinski@...onical.com>,
	Chris Wilson <chris@...is-wilson.co.uk>,
	Daniel Vetter <daniel.vetter@...ll.ch>,
	Eugeni Dodonov <eugeni.dodonov@...el.com>,
	Julien Cristau <jcristau@...ian.org>
Subject: [ 127/171] drm/i915: prevent possible pin leak on error path

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

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

From: Eugeni Dodonov <eugeni.dodonov@...el.com>

commit ab3951eb74e7c33a2f5b7b64d72e82f1eea61571 upstream.

We should not hit this under any sane conditions, but still, this does not
looks right.

Reported-by: Herton Ronaldo Krzesinski <herton.krzesinski@...onical.com>
CC: Chris Wilson <chris@...is-wilson.co.uk>
CC: Daniel Vetter <daniel.vetter@...ll.ch>
Reviewed-by: Chris Wlison <chris@...is-wilson.co.uk>
Signed-off-by: Eugeni Dodonov <eugeni.dodonov@...el.com>
Signed-off-by: Daniel Vetter <daniel.vetter@...ll.ch>
Signed-off-by: Julien Cristau <jcristau@...ian.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/gpu/drm/i915/intel_display.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -7505,7 +7505,7 @@ static int intel_gen7_queue_flip(struct
 	default:
 		WARN_ONCE(1, "unknown plane in flip command\n");
 		ret = -ENODEV;
-		goto err;
+		goto err_unpin;
 	}
 
 	ret = intel_ring_begin(ring, 4);


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