From d8f65c07e9f3a5948c8bee95482bcab651b33c01 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Thu, 7 Jul 2011 17:29:28 -0600 Subject: [PATCH] intel: add null src pointer check in intel_region_reference() Fixes segfault when running cubemap demo on i945. This happened when intel_region_reference() was called in i915_set_draw_region() with depth_region=NULL. Reviewed-by: Eric Anholt --- src/mesa/drivers/dri/intel/intel_regions.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/mesa/drivers/dri/intel/intel_regions.c b/src/mesa/drivers/dri/intel/intel_regions.c index 6cf37c4c40c..4c4945c7941 100644 --- a/src/mesa/drivers/dri/intel/intel_regions.c +++ b/src/mesa/drivers/dri/intel/intel_regions.c @@ -271,7 +271,8 @@ intel_region_reference(struct intel_region **dst, struct intel_region *src) if (*dst) intel_region_release(dst); - src->refcount++; + if (src) + src->refcount++; *dst = src; } } -- 2.30.2