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| author | Jayachandran C <c.jayachandran@gmail.com> | 2006-04-10 23:18:28 -0700 |
|---|---|---|
| committer | Dave Airlie <airlied@linux.ie> | 2006-04-18 21:04:48 +1000 |
| commit | d253258c80117c2afaa644554e613201992e4ee9 (patch) | |
| tree | f06a92ad4e76332e9a29bbfc2984392f6ce330e2 | |
| parent | 031de96af0e7ed6ad4a7ec2b74a77bf9782f966e (diff) | |
| download | linux-3.10-d253258c80117c2afaa644554e613201992e4ee9.tar.gz linux-3.10-d253258c80117c2afaa644554e613201992e4ee9.tar.bz2 linux-3.10-d253258c80117c2afaa644554e613201992e4ee9.zip | |
drm: Fix further issues in drivers/char/drm/via_irq.c
Fix de-reference of 'dev_priv' before NULL check.
Signed-off-by: Jayachandran C. <c.jayachandran@gmail.com>
Cc: Dave Airlie <airlied@linux.ie>
Signed-off-by: Andrew Morton <akpm@osdl.org>
| -rw-r--r-- | drivers/char/drm/via_irq.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/char/drm/via_irq.c b/drivers/char/drm/via_irq.c index 1228fa55355..c33d068cde1 100644 --- a/drivers/char/drm/via_irq.c +++ b/drivers/char/drm/via_irq.c @@ -196,7 +196,7 @@ via_driver_irq_wait(drm_device_t * dev, unsigned int irq, int force_sequence, { drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private; unsigned int cur_irq_sequence; - drm_via_irq_t *cur_irq = dev_priv->via_irqs; + drm_via_irq_t *cur_irq; int ret = 0; maskarray_t *masks; int real_irq; @@ -223,7 +223,7 @@ via_driver_irq_wait(drm_device_t * dev, unsigned int irq, int force_sequence, } masks = dev_priv->irq_masks; - cur_irq += real_irq; + cur_irq = dev_priv->via_irqs + real_irq; if (masks[real_irq][2] && !force_sequence) { DRM_WAIT_ON(ret, cur_irq->irq_queue, 3 * DRM_HZ, @@ -248,11 +248,12 @@ void via_driver_irq_preinstall(drm_device_t * dev) { drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private; u32 status; - drm_via_irq_t *cur_irq = dev_priv->via_irqs; + drm_via_irq_t *cur_irq; int i; DRM_DEBUG("driver_irq_preinstall: dev_priv: %p\n", dev_priv); if (dev_priv) { + cur_irq = dev_priv->via_irqs; dev_priv->irq_enable_mask = VIA_IRQ_VBLANK_ENABLE; dev_priv->irq_pending_mask = VIA_IRQ_VBLANK_PENDING; |