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>
diff --git a/drivers/char/drm/via_irq.c b/drivers/char/drm/via_irq.c
index 1228fa5..c33d068 100644
--- a/drivers/char/drm/via_irq.c
+++ b/drivers/char/drm/via_irq.c
@@ -196,7 +196,7 @@
{
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 @@
}
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 @@
{
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;