intel: Don't steal renderbuffer from caller in intel_miptree_create_for_region

Fixes double-frees of some regions, once from the renderbuffer code and
once from the miptree itself.

Bug #19062

diff --git a/src/mesa/drivers/dri/intel/intel_mipmap_tree.c b/src/mesa/drivers/dri/intel/intel_mipmap_tree.c
index c677ddd63c52f204431910b72ae3d2b9b3e8f8dd..bf1c3f03f0e1983e3d09e8bb9e2fe3467e01c094 100644 (file)
--- a/src/mesa/drivers/dri/intel/intel_mipmap_tree.c
+++ b/src/mesa/drivers/dri/intel/intel_mipmap_tree.c
@@ -163,7 +163,7 @@ intel_miptree_create_for_region(struct intel_context *intel,
    mt->pitch = region->pitch;
 #endif
 
-   mt->region = region;
+   intel_region_reference(&mt->region, region);
 
    return mt;
  }