drm/i915: prevent possible pin leak on error path
Eugeni Dodonov [Mon, 18 Jun 2012 22:03:38 +0000 (19:03 -0300)]
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@canonical.com>
CC: Chris Wilson <chris@chris-wilson.co.uk>
CC: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Chris Wlison <chris@chris-wilson.co.uk>
Signed-off-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Julien Cristau <jcristau@debian.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/gpu/drm/i915/intel_display.c

index 9a29fd6..db780cb 100644 (file)
@@ -7505,7 +7505,7 @@ static int intel_gen7_queue_flip(struct drm_device *dev,
        default:
                WARN_ONCE(1, "unknown plane in flip command\n");
                ret = -ENODEV;
-               goto err;
+               goto err_unpin;
        }
 
        ret = intel_ring_begin(ring, 4);