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[libvirt] [PATCH] Add checking of dbus_message_iter_append_basic return value



From: "Daniel P. Berrange" <berrange redhat com>

Coverity complains that the test suite did not check the
return value of dbus_message_iter_append_basic() as we did
in most other places.

Signed-off-by: Daniel P. Berrange <berrange redhat com>
---
 tests/virsystemdmock.c | 24 ++++++++++++++----------
 1 file changed, 14 insertions(+), 10 deletions(-)

diff --git a/tests/virsystemdmock.c b/tests/virsystemdmock.c
index 59b312d..b8fc031 100644
--- a/tests/virsystemdmock.c
+++ b/tests/virsystemdmock.c
@@ -82,10 +82,8 @@ DBusMessage *dbus_connection_send_with_reply_and_block(DBusConnection *connectio
             dbus_message_iter_init_append(reply, &iter);
             if (!dbus_message_iter_append_basic(&iter,
                                                 DBUS_TYPE_STRING,
-                                                &error_message)) {
-                dbus_message_unref(reply);
-                return NULL;
-            }
+                                                &error_message))
+                goto error;
         } else {
             reply = dbus_message_new(DBUS_MESSAGE_TYPE_METHOD_RETURN);
         }
@@ -98,19 +96,25 @@ DBusMessage *dbus_connection_send_with_reply_and_block(DBusConnection *connectio
         dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
                                          "s", &sub);
 
-        dbus_message_iter_append_basic(&sub,
+        if (!dbus_message_iter_append_basic(&sub,
                                        DBUS_TYPE_STRING,
-                                       &svc1);
-        if (!getenv("FAIL_NO_SERVICE"))
-            dbus_message_iter_append_basic(&sub,
-                                           DBUS_TYPE_STRING,
-                                           &svc2);
+                                            &svc1))
+            goto error;
+        if (!getenv("FAIL_NO_SERVICE") &&
+            !dbus_message_iter_append_basic(&sub,
+                                            DBUS_TYPE_STRING,
+                                            &svc2))
+            goto error;
         dbus_message_iter_close_container(&iter, &sub);
     } else {
         reply = dbus_message_new(DBUS_MESSAGE_TYPE_METHOD_RETURN);
     }
 
     return reply;
+
+ error:
+    dbus_message_unref(reply);
+    return NULL;
 }
 
 #else
-- 
1.8.3.1


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