Mesa (mesa_7_4_branch): intel: added a null ptr check

[Brian Paul]

Module: Mesa
Branch: mesa_7_4_branch
Commit: 1dbbc39f48ce5f9aa63ab42930b14e48938b326f
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=1dbbc39f48ce5f9aa63ab42930b14e48938b326f

Author: Brian Paul <brianp at vmware.com>
Date:   Mon Jun 22 11:23:30 2009 -0600

intel: added a null ptr check

This was hit during screen tear-down.

---

 src/mesa/drivers/dri/intel/intel_fbo.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/src/mesa/drivers/dri/intel/intel_fbo.c b/src/mesa/drivers/dri/intel/intel_fbo.c
index 54f6038..5a1314e 100644
--- a/src/mesa/drivers/dri/intel/intel_fbo.c
+++ b/src/mesa/drivers/dri/intel/intel_fbo.c
@@ -345,7 +345,8 @@ intel_renderbuffer_set_region(struct intel_renderbuffer *rb,
    intel_region_reference(&rb->region, region);
    intel_region_release(&old);
 
-   rb->pfPitch = region->pitch;
+   if (region)
+      rb->pfPitch = region->pitch;
 }
 
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