From: Dmitry Guryanov <dguryanov@parallels.com>
Date: Mon, 10 Sep 2012 15:23:43 +0000 (+0400)
Subject: parallels: fix parallelsDoCmdRun in case of command failure
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=748b6d8e9013c69f28a85c88345e258beb809417;p=people%2Fliuw%2Flibxenctrl-split%2Flibvirt.git

parallels: fix parallelsDoCmdRun in case of command failure

Don't try to dereferece NULL pointer.
---

diff --git a/src/parallels/parallels_utils.c b/src/parallels/parallels_utils.c
index 35766b72b..89a0d8979 100644
--- a/src/parallels/parallels_utils.c
+++ b/src/parallels/parallels_utils.c
@@ -55,7 +55,7 @@ parallelsDoCmdRun(char **outbuf, const char *binary, va_list list)
   cleanup:
     VIR_FREE(scmd);
     virCommandFree(cmd);
-    if (ret)
+    if (ret && outbuf)
         VIR_FREE(*outbuf);
     return ret;
 }