From d253258c80117c2afaa644554e613201992e4ee9 Mon Sep 17 00:00:00 2001 From: Jayachandran C Date: Mon, 10 Apr 2006 23:18:28 -0700 Subject: [PATCH] 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. Cc: Dave Airlie Signed-off-by: Andrew Morton --- drivers/char/drm/via_irq.c | 7 ++++--- 1 file 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; -- 2.20.1