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[libvirt] [libvirt-glib] Log virStreamFinish error when it fails



GVirObjectStream::finalize() logs a critical() if virStreamFinish
fails. This commit adds the libvirt error message to this critical
to ease debugging.
---
 libvirt-gobject/libvirt-gobject-stream.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/libvirt-gobject/libvirt-gobject-stream.c b/libvirt-gobject/libvirt-gobject-stream.c
index fa1a32c..3c61fdb 100644
--- a/libvirt-gobject/libvirt-gobject-stream.c
+++ b/libvirt-gobject/libvirt-gobject-stream.c
@@ -217,8 +217,10 @@ static void gvir_stream_finalize(GObject *object)
     if (priv->handle) {
         gvir_stream_update_events(self);
 
-        if (virStreamFinish(priv->handle) < 0)
-            g_critical("cannot finish stream");
+        if (virStreamFinish(priv->handle) < 0) {
+            virErrorPtr verr = virGetLastError();
+            g_critical("cannot finish stream: %s", verr->message);
+        }
 
         virStreamFree(priv->handle);
     }
-- 
1.7.12.1


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