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drm/i915: fix oops on agp=off
author
Dave Airlie
<airlied@linux.ie>
Sat, 29 Mar 2008 21:53:58 +0000
(07:53 +1000)
committer
Dave Airlie
<airlied@linux.ie>
Sat, 29 Mar 2008 21:53:58 +0000
(07:53 +1000)
From Kernel BZ 10289 - not sure why anyone would boot an intel with no agp
but it shouldn't crash.
Signed-off-by: Dave Airlie <airlied@redhat.com>
drivers/char/drm/i915_dma.c
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diff --git
a/drivers/char/drm/i915_dma.c
b/drivers/char/drm/i915_dma.c
index
e9d6663
..
a043bb1
100644
(file)
--- a/
drivers/char/drm/i915_dma.c
+++ b/
drivers/char/drm/i915_dma.c
@@
-804,6
+804,9
@@
void i915_driver_lastclose(struct drm_device * dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
+ if (!dev_priv)
+ return;
+
if (dev_priv->agp_heap)
i915_mem_takedown(&(dev_priv->agp_heap));