[PATCH] jscript: Avoid use after free in JSON_parse().

[Paul Gofman]

Signed-off-by: Paul Gofman 
---
 dlls/jscript/json.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/dlls/jscript/json.c b/dlls/jscript/json.c
index a8014f95b4f..20234807727 100644
--- a/dlls/jscript/json.c
+++ b/dlls/jscript/json.c
@@ -291,16 +291,21 @@ static HRESULT JSON_parse(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsign
     parse_ctx.end = buf + jsstr_length(str);
     parse_ctx.ctx = ctx;
     hres = parse_json_value(&parse_ctx, &ret);
-    jsstr_release(str);
     if(FAILED(hres))
+    {
+        jsstr_release(str);
         return hres;
+    }

if(skip_spaces(&parse_ctx)) {
         FIXME("syntax error\n");
+        jsstr_release(str);
         jsval_release(ret);
         return E_FAIL;
     }

+    jsstr_release(str);
+
     if(r)
         *r = ret;
     else