From 0805033a660bf45751c78f1d715b7765d9aa2642 Mon Sep 17 00:00:00 2001
From: inmarket <andrewh@inmarket.com.au>
Date: Mon, 3 Feb 2014 18:00:46 +1000
Subject: Ensure double initialisation/de-initialisation of GFX can't occur

---
 src/gfx.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

(limited to 'src/gfx.c')

diff --git a/src/gfx.c b/src/gfx.c
index 46003f09..dfc9cb75 100644
--- a/src/gfx.c
+++ b/src/gfx.c
@@ -15,6 +15,8 @@
 
 #include "gfx.h"
 
+static bool_t initDone = FALSE;
+
 /* These init functions are defined by each module but not published */
 extern void _gosInit(void);
 extern void _gosDeinit(void);
@@ -57,6 +59,11 @@ extern void _gosDeinit(void);
 
 void gfxInit(void)
 {
+	/* Ensure we only initialise once */
+	if (initDone)
+		return;
+	initDone = TRUE;
+
 	// These must be initialised in the order of their dependancies
 
 	_gosInit();
@@ -91,8 +98,11 @@ void gfxInit(void)
 
 void gfxDeinit(void)
 {
-	// We deinitialise the opposit way as we initialised
+	if (!initDone)
+		return;
+	initDone = FALSE;
 
+	// We deinitialise the opposite way as we initialised
 	#if GFX_USE_GAUDOUT
 		_gaudoutDeinit();
 	#endif
-- 
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