From: Wei Liu <wei.liu2@citrix.com>
Date: Thu, 23 Feb 2017 15:18:20 +0000 (+0000)
Subject: libs/devicemodel: initialise op_bufs in xendevicemodel_xcall
X-Git-Tag: archive/raspbian/4.11.1-1+rpi1~1^2~66^2~2700
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=e318fa314550b1978525aef30c325715a41aa0b7;p=xen.git

libs/devicemodel: initialise op_bufs in xendevicemodel_xcall

To avoid freeing uninitialised buffer when taking the first error exit
path.

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
---

diff --git a/tools/libs/devicemodel/core.c b/tools/libs/devicemodel/core.c
index 504543c1c5..19ebef63b3 100644
--- a/tools/libs/devicemodel/core.c
+++ b/tools/libs/devicemodel/core.c
@@ -79,7 +79,7 @@ int xendevicemodel_xcall(xendevicemodel_handle *dmod,
 {
     int ret = -1;
     void **xcall_bufs;
-    xen_dm_op_buf_t *op_bufs;
+    xen_dm_op_buf_t *op_bufs = NULL;
     unsigned int i;
 
     xcall_bufs = calloc(nr_bufs, sizeof(*xcall_bufs));