Commit ea5d552c authored by Chris Wilson's avatar Chris Wilson Committed by Dave Airlie

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
......@@ -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;
}
/**
......
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