From: Marek Olšák <marek.olsak@amd.com>
Date: Wed, 24 May 2017 16:16:41 +0000 (+0200)
Subject: util: slab_destroy_child should check whether it's been initialized
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=c70b0604f0296080333d6dd86940782559bd4a5b;p=mesa.git

util: slab_destroy_child should check whether it's been initialized

Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
---

diff --git a/src/util/slab.c b/src/util/slab.c
index 4264814cabc..4ce0e9a3485 100644
--- a/src/util/slab.c
+++ b/src/util/slab.c
@@ -140,6 +140,9 @@ void slab_create_child(struct slab_child_pool *pool,
  */
 void slab_destroy_child(struct slab_child_pool *pool)
 {
+   if (!pool->parent)
+      return; /* the slab probably wasn't even created */
+
    mtx_lock(&pool->parent->mutex);
 
    while (pool->pages) {