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| author | David S. Miller <davem@davemloft.net> | 2010-12-27 09:37:05 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-12-27 09:37:05 +0300 |
| commit | 17f7f4d9fcce8f1b75b5f735569309dee7665968 (patch) | |
| tree | 14d7e49ca0053a0fcab3c33b5023bf3f90c5c08a /drivers/gpu/drm/drm_irq.c | |
| parent | 041110a439e21cd40709ead4ffbfa8034619ad77 (diff) | |
| parent | d7c1255a3a21e98bdc64df8ccf005a174d7e6289 (diff) | |
| download | linux-17f7f4d9fcce8f1b75b5f735569309dee7665968.tar.xz | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
net/ipv4/fib_frontend.c
Diffstat (limited to 'drivers/gpu/drm/drm_irq.c')
| -rw-r--r-- | drivers/gpu/drm/drm_irq.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index 9d3a5030b6e1..16d5155edad1 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; @@ -626,7 +628,7 @@ static int drm_queue_vblank_event(struct drm_device *dev, int pipe, if ((seq - vblwait->request.sequence) <= (1 << 23)) { e->event.tv_sec = now.tv_sec; e->event.tv_usec = now.tv_usec; - drm_vblank_put(dev, e->pipe); + drm_vblank_put(dev, pipe); list_add_tail(&e->base.link, &e->base.file_priv->event_list); wake_up_interruptible(&e->base.file_priv->event_wait); trace_drm_vblank_event_delivered(current->pid, pipe, @@ -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, pipe); + return ret; } /** |