[libvirt] [PATCH] xenapi: Improve error reporting in xenapiOpen

[Matthias Bolte <matthias bolte googlemail com>]

Use better suited error code and avoid NULL in error messsage
as *privP->session->error_description can be NULL.
---
 src/xenapi/xenapi_driver.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/xenapi/xenapi_driver.c b/src/xenapi/xenapi_driver.c
index aa616ca..98838e6 100644
--- a/src/xenapi/xenapi_driver.c
+++ b/src/xenapi/xenapi_driver.c
@@ -106,7 +106,7 @@ xenapiOpen (virConnectPtr conn, virConnectAuthPtr auth,
     }
 
     if (conn->uri->server == NULL) {
-        xenapiSessionErrorHandler(conn, VIR_ERR_AUTH_FAILED,
+        xenapiSessionErrorHandler(conn, VIR_ERR_INVALID_ARG,
                                   _("Server name not in URI"));
         goto error;
     }
@@ -194,7 +194,9 @@ xenapiOpen (virConnectPtr conn, virConnectAuthPtr auth,
     }
 
     xenapiSessionErrorHandler(conn, VIR_ERR_AUTH_FAILED,
-                              *privP->session->error_description);
+                              *privP->session->error_description != NULL ?
+                              *privP->session->error_description :
+                              _("unknown error"));
 
   error:
     VIR_FREE(username);
-- 
1.7.4.1