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| author | Ingo Molnar <mingo@elte.hu> | 2010-12-16 11:22:25 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-12-16 11:22:27 +0100 |
| commit | 006b20fe4c69189b0d854e5eabf269e50ca86cdd (patch) | |
| tree | 948b08825a36114c85ddc2bfcd965c261e32810f /drivers/gpu/drm/drm_irq.c | |
| parent | 5f29805a4f4627e766f862ff9f10c14f5f314359 (diff) | |
| parent | d949750fed168b6553ca11ed19e4affd19d7a4d7 (diff) | |
| download | op-kernel-dev-006b20fe4c69189b0d854e5eabf269e50ca86cdd.zip op-kernel-dev-006b20fe4c69189b0d854e5eabf269e50ca86cdd.tar.gz | |
Merge branch 'perf/urgent' into perf/core
Merge reason: We want to apply a dependent patch.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/gpu/drm/drm_irq.c')
| -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 9d3a503..722700d 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; } /** |
