From d8d5679c8e722805f8b4be523f9c6176e335ca0a Mon Sep 17 00:00:00 2001
From: derselbst <tom.mbrt@googlemail.com>
Date: Sat, 28 Oct 2017 19:47:56 +0200
Subject: [PATCH] fix segfault in delete_fluid_ringbuffer()

---
 src/utils/fluid_ringbuffer.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/utils/fluid_ringbuffer.c b/src/utils/fluid_ringbuffer.c
index e276c04e..512c95a3 100644
--- a/src/utils/fluid_ringbuffer.c
+++ b/src/utils/fluid_ringbuffer.c
@@ -84,6 +84,9 @@ new_fluid_ringbuffer (int count, int elementsize)
 void
 delete_fluid_ringbuffer (fluid_ringbuffer_t *queue)
 {
+  if(queue != NULL)
+  {
   FLUID_FREE (queue->array);
   FLUID_FREE (queue);
+  }
 }