From: Eric Anholt <eric@anholt.net>
Date: Fri, 18 May 2007 19:59:39 +0000 (-0700)
Subject: Allow unreference with a NULL argument.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=431baf221ea7858ecb5edb2a5a01b5f993147a4d;p=mesa.git

Allow unreference with a NULL argument.
---

diff --git a/src/mesa/drivers/dri/common/dri_bufmgr.c b/src/mesa/drivers/dri/common/dri_bufmgr.c
index f60d3b0db6b..dd76e8ead65 100644
--- a/src/mesa/drivers/dri/common/dri_bufmgr.c
+++ b/src/mesa/drivers/dri/common/dri_bufmgr.c
@@ -58,6 +58,9 @@ dri_bo_reference(dri_bo *bo)
 void
 dri_bo_unreference(dri_bo *bo)
 {
+   if (bo == NULL)
+      return;
+
    bo->bufmgr->bo_unreference(bo);
 }
 
@@ -100,6 +103,9 @@ dri_fence_reference(dri_fence *fence)
 void
 dri_fence_unreference(dri_fence *fence)
 {
+   if (fence == NULL)
+      return;
+
    fence->bufmgr->fence_unreference(fence);
 }