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authorLinus Torvalds <torvalds@linux-foundation.org>2010-12-08 06:34:39 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2010-12-08 06:34:39 -0800
commit6dde39be39e636c1d41e73590668d5903b11535b (patch)
treed40ca2fda338ce846697e4123ed7a963595829bb /drivers/gpu/drm/drm_irq.c
parentf8f5d4f11dc7d321fb372b09fc8767069a18bf30 (diff)
parent599bbb9de0fe9c494a223a34d790b353ad4d69f8 (diff)
Merge branch 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm/i915: i915 cannot provide switcher services. drm/radeon/kms: fix vram base calculation on rs780/rs880 drm/radeon/kms: fix formatting of vram and gtt info drm/radeon/kms: forbid big bo allocation (fdo 31708) v3 drm: Don't try and disable an encoder that was never enabled drm: Add missing drm_vblank_put() along queue vblank error path drm/i915/dp: Only apply the workaround if the select is still active drm/i915: Emit a request to clear a flushed and idle ring for unbusy bo drm/i915/lvds: Always restore panel-fitter when enabling the LVDS drm/i915/ringbuffer: Only print an error on the second attempt to reset head drm/i915: announce to userspace that the bsd ring is coherent agp/intel: Fix wrong kunmap in i830_cleanup() drm/i915: Factor in pixel-repeat in FDI M/N calculation drm/i915: Death to the unnecessary 64bit divide drm/i915: Clean conflicting modesetting registers upon init drm/i915: Apply a workaround for transitioning from DP on pipe B to HDMI. drm/i915: Always set the DP transcoder config to 8BPC.
Diffstat (limited to 'drivers/gpu/drm/drm_irq.c')
-rw-r--r--drivers/gpu/drm/drm_irq.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index 9d3a5030b6e1..722700d5d73e 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;
}
/**