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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2010-12-01 19:41:31 +0000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-12-08 09:31:52 +1000 |
| commit | ea5d552c73707645c53d42e8a71c9a4d9cbb85c1 (patch) | |
| tree | 566a4e3dc33eb9bcee23c5930d8f44844565d4be /drivers/gpu/drm | |
| parent | e516c7df4cfe335a2ea220480cfac558dc738ae4 (diff) | |
| download | linux-3.10-ea5d552c73707645c53d42e8a71c9a4d9cbb85c1.tar.gz linux-3.10-ea5d552c73707645c53d42e8a71c9a4d9cbb85c1.tar.bz2 linux-3.10-ea5d552c73707645c53d42e8a71c9a4d9cbb85c1.zip | |
drm: Add missing drm_vblank_put() along queue vblank error path
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Kristian Høgsberg <krh@bitplanet.net>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/drm_irq.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index 9d3a5030b6e..722700d5d73 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -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; } /** |