From 2c7cc41f1be4c92a6a11e0a6a90fa8465e10b0df Mon Sep 17 00:00:00 2001
From: twinaphex <libretro@gmail.com>
Date: Fri, 18 Mar 2016 18:04:21 +0100
Subject: [PATCH] Prevent null pointer dereference

---
 libretro-common/queues/task_queue.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libretro-common/queues/task_queue.c b/libretro-common/queues/task_queue.c
index 40ea3b5d23..35b4aae987 100644
--- a/libretro-common/queues/task_queue.c
+++ b/libretro-common/queues/task_queue.c
@@ -404,7 +404,7 @@ bool task_queue_ctl(enum task_queue_ctl_state state, void *data)
 
             impl_current = &impl_regular;
 #ifdef HAVE_THREADS
-            if (*boolean_val)
+            if (boolean_val && *boolean_val)
             {
                task_queue_ctl(TASK_QUEUE_CTL_SET_THREADED, NULL);
                impl_current = &impl_threaded;