From c70b0604f0296080333d6dd86940782559bd4a5b Mon Sep 17 00:00:00 2001
From: =?utf8?q?Marek=20Ol=C5=A1=C3=A1k?= <marek.olsak@amd.com>
Date: Wed, 24 May 2017 18:16:41 +0200
Subject: [PATCH] util: slab_destroy_child should check whether it's been
 initialized
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Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
---
 src/util/slab.c | 3 +++
 1 file changed, 3 insertions(+)

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) {
-- 
2.30.2