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drm: don't cast a pointer to pointer of list_head 

The casting is safe only when the list_head member is the first member of
the structure.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Airlie <airlied@linux.ie>
This commit is contained in:
Li Zefan 2007-12-17 09:47:19 +10:00 committed by Dave Airlie
parent a96ca105a6
commit d5b0d1b5bd
1 changed files with 1 additions and 1 deletions
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2
drivers/char/drm/i915_irq.c
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@ -555,7 +555,7 @@ int i915_vblank_swap(struct drm_device *dev, void *data,
spin_lock_irqsave(&dev_priv->swaps_lock, irqflags);
list_add_tail((struct list_head *)vbl_swap, &dev_priv->vbl_swaps.head);
list_add_tail(&vbl_swap->head, &dev_priv->vbl_swaps.head);
dev_priv->swaps_pending++;
spin_unlock_irqrestore(&dev_priv->swaps_lock, irqflags);