From: Ian Jackson <ian.jackson@eu.citrix.com>
Date: Mon, 12 Dec 2011 17:48:41 +0000 (+0000)
Subject: libxl: make libxl__free_all idempotent
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libxl: make libxl__free_all idempotent

Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Committed-by: Ian Jackson <Ian.Jackson@eu.citrix.com>
---

diff --git a/tools/libxl/libxl_internal.c b/tools/libxl/libxl_internal.c
index 9473eaf2f6..cfa8c61bed 100644
--- a/tools/libxl/libxl_internal.c
+++ b/tools/libxl/libxl_internal.c
@@ -72,6 +72,8 @@ void libxl__free_all(libxl__gc *gc)
         free(ptr);
     }
     free(gc->alloc_ptrs);
+    gc->alloc_ptrs = 0;
+    gc->alloc_maxsize = 0;
 }
 
 void *libxl__zalloc(libxl__gc *gc, int bytes)