aboutsummaryrefslogtreecommitdiff
path: root/drivers/char/drm/via_irq.c
diff options
context:
space:
mode:
authorJayachandran C <c.jayachandran@gmail.com>2006-04-10 23:18:28 -0700
committerDave Airlie <airlied@linux.ie>2006-04-18 21:04:48 +1000
commitd253258c80117c2afaa644554e613201992e4ee9 (patch)
treef06a92ad4e76332e9a29bbfc2984392f6ce330e2 /drivers/char/drm/via_irq.c
parent031de96af0e7ed6ad4a7ec2b74a77bf9782f966e (diff)
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>
Diffstat (limited to 'drivers/char/drm/via_irq.c')
-rw-r--r--drivers/char/drm/via_irq.c7
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;