From: Dave Airlie <airlied@redhat.com>
Date: Mon, 24 Mar 2008 08:52:26 +0000 (+1000)
Subject: i915: fix oops on agp=off
X-Git-Tag: libdrm-2.3.1~78
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b0817a42e789a83454e6acba0578116829e2bf51;p=platform%2Fupstream%2Flibdrm.git

i915: fix oops on agp=off

Kernel bug 10289.
---

diff --git a/shared-core/i915_dma.c b/shared-core/i915_dma.c
index 407befc..1e493e3 100644
--- a/shared-core/i915_dma.c
+++ b/shared-core/i915_dma.c
@@ -1060,6 +1060,10 @@ void i915_driver_lastclose(struct drm_device * dev)
 {
 	drm_i915_private_t *dev_priv = dev->dev_private;
 
+	/* agp off can use this to get called before dev_priv */
+	if (!dev_priv)
+		return;
+
 #ifdef I915_HAVE_BUFFER
 	if (dev_priv->val_bufs) {
 		vfree(dev_priv->val_bufs);