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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>
This commit is contained in:
Jayachandran C 2006-04-10 23:18:28 -07:00 committed by Dave Airlie
parent 031de96af0
commit d253258c80
1 changed files with 4 additions and 3 deletions
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7
drivers/char/drm/via_irq.c
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@ -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;