[libvirt] [PATCH 3/4] virdbus: Report a debug message that dbus_watch_handle() has failed

[Marc Hartmayer]

From: Marc Hartmayer <mhartmay at linux.vnet.ibm.com>

Report a debug message if dbus_watch_handle() returns FALSE.
dbus_watch_handle() returns FALSE if there wasn't enough memory for
reading or writing.

Signed-off-by: Marc Hartmayer <mhartmay at linux.ibm.com>
Reviewed-by: Bjoern Walk <bwalk at linux.ibm.com>
Reviewed-by: Boris Fiuczynski <fiuczy at linux.ibm.com>
Reviewed-by: Stefan Zimmermann <stzi at linux.ibm.com>
---
 src/util/virdbus.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/util/virdbus.c b/src/util/virdbus.c
index 1d1e39aae728..01c67fbaf467 100644
--- a/src/util/virdbus.c
+++ b/src/util/virdbus.c
@@ -197,7 +197,8 @@ static void virDBusWatchCallback(int fdatch ATTRIBUTE_UNUSED,
     if (events & VIR_EVENT_HANDLE_HANGUP)
         dbus_flags |= DBUS_WATCH_HANGUP;
 
-    (void)dbus_watch_handle(watch, dbus_flags);
+    if (dbus_watch_handle(watch, dbus_flags) == FALSE)
+        VIR_DEBUG("dbus_watch_handle() returned FALSE");
 
     dbus_connection_ref(info->bus);
     while (dbus_connection_dispatch(info->bus) == DBUS_DISPATCH_DATA_REMAINS)
-- 
2.17.0