qdev: print error message before aborting

qdev_prop_set_* functions are always called by machine init functions
that should know what they're doing, so they abort on error.  Still,
an assert(!errp) does not aid debugging.  Print an error before aborting.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/qerror.c b/qerror.c
index 8e6efaf..f55d435 100644
--- a/qerror.c
+++ b/qerror.c
@@ -572,6 +572,14 @@ void qerror_report_err(Error *err)
     }
 }
 
+void assert_no_error(Error *err)
+{
+    if (err) {
+        qerror_report_err(err);
+        abort();
+    }
+}
+
 /**
  * qobject_to_qerror(): Convert a QObject into a QError
  */