From 69fcfb413e72ad2204d306f20af6547819e040da Mon Sep 17 00:00:00 2001 From: Maarten Maathuis Date: Mon, 1 Oct 2007 22:21:23 +0200 Subject: nouveau: Fix dereferencing a NULL pointer when erroring out during initialization. --- shared-core/nouveau_state.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) (limited to 'shared-core') diff --git a/shared-core/nouveau_state.c b/shared-core/nouveau_state.c index cba12b57..cb19c880 100644 --- a/shared-core/nouveau_state.c +++ b/shared-core/nouveau_state.c @@ -423,12 +423,15 @@ void nouveau_lastclose(struct drm_device *dev) { struct drm_nouveau_private *dev_priv = dev->dev_private; - nouveau_card_takedown(dev); - - if(dev_priv->fb_mtrr>0) - { - drm_mtrr_del(dev_priv->fb_mtrr, drm_get_resource_start(dev, 1),nouveau_mem_fb_amount(dev), DRM_MTRR_WC); - dev_priv->fb_mtrr=0; + /* In the case of an error dev_priv may not be be allocated yet */ + if (dev_priv && dev_priv->card_type) { + nouveau_card_takedown(dev); + + if(dev_priv->fb_mtrr>0) + { + drm_mtrr_del(dev_priv->fb_mtrr, drm_get_resource_start(dev, 1),nouveau_mem_fb_amount(dev), DRM_MTRR_WC); + dev_priv->fb_mtrr=0; + } } } -- cgit v1.2.3