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Commit ea5d552c authored by Chris Wilson's avatar Chris Wilson Committed by Dave Airlie
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drm: Add missing drm_vblank_put() along queue vblank error path 



Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Cc: Kristian Høgsberg <krh@bitplanet.net>
Acked-by: default avatarJesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent e516c7df

drivers/gpu/drm/drm_irq.c

+14 −5
Original line number Diff line number Diff line
@@ -585,10 +585,13 @@ static int drm_queue_vblank_event(struct drm_device *dev, int pipe, 
	struct timeval now;

	unsigned long flags;

	unsigned int seq;

	int ret;



	e = kzalloc(sizeof *e, GFP_KERNEL);

	if (e == NULL)

		return -ENOMEM;

	if (e == NULL) {

		ret = -ENOMEM;

		goto err_put;

	}



	e->pipe = pipe;

	e->base.pid = current->pid;
@@ -603,9 +606,8 @@ static int drm_queue_vblank_event(struct drm_device *dev, int pipe, 
	spin_lock_irqsave(&dev->event_lock, flags);



	if (file_priv->event_space < sizeof e->event) {

		spin_unlock_irqrestore(&dev->event_lock, flags);

		kfree(e);

		return -ENOMEM;

		ret = -EBUSY;

		goto err_unlock;

	}



	file_priv->event_space -= sizeof e->event;
@@ -638,6 +640,13 @@ static int drm_queue_vblank_event(struct drm_device *dev, int pipe, 
	spin_unlock_irqrestore(&dev->event_lock, flags);



	return 0;



err_unlock:

	spin_unlock_irqrestore(&dev->event_lock, flags);

	kfree(e);

err_put:

	drm_vblank_put(dev, e->pipe);

	return ret;

}



/**