intel: added null ptr check

This fixes a segfault seen with piglit's fdo20701 test.
2009-06-29 15:26:26 -06:00
parent b1f2f92d9b
commit 4e43126a59
1 changed files with 1 additions and 1 deletions
--- a/src/mesa/drivers/dri/intel/intel_context.c
+++ b/src/mesa/drivers/dri/intel/intel_context.c
@@ -537,7 +537,7 @@ intelFinish(GLcontext * ctx)

       irb = intel_renderbuffer(fb->_ColorDrawBuffers[i]);

-       if (irb->region)
+       if (irb && irb->region)
 	  dri_bo_wait_rendering(irb->region->buffer);
   }
   if (fb->_DepthBuffer) {