[libvirt] [PATCH] Fix error reporting for getfd + host_net_add in QEMU

["Daniel P. Berrange" <berrange@xxxxxxxxxx>]

If either of the getfd or host_net_add monitor commands return
any text, this indicates an error condition. Don't ignore this!

* src/qemu/qemu_monitor_text.c: Report errors for getfd and
  host_net_add
---
 src/qemu/qemu_monitor_text.c |   16 ++++++++++++++--
 1 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/src/qemu/qemu_monitor_text.c b/src/qemu/qemu_monitor_text.c
index 48c9a54..6ad07b1 100644
--- a/src/qemu/qemu_monitor_text.c
+++ b/src/qemu/qemu_monitor_text.c
@@ -1666,6 +1666,13 @@ int qemuMonitorTextSendFileHandle(qemuMonitorPtr mon,
         goto cleanup;
     }
 
+    if (STRNEQ(reply, "")) {
+        qemuReportError(VIR_ERR_INTERNAL_ERROR,
+                        _("unable to send TAP file handle: %s"),
+                        reply);
+        goto cleanup;
+    }
+
     ret = 0;
 
 cleanup:
@@ -1725,11 +1732,16 @@ int qemuMonitorTextAddHostNetwork(qemuMonitorPtr mon,
 
     if (qemuMonitorCommand(mon, cmd, &reply) < 0) {
         qemuReportError(VIR_ERR_OPERATION_FAILED,
-                        _("failed to close fd in qemu with '%s'"), cmd);
+                        _("failed to add host net with '%s'"), cmd);
         goto cleanup;
     }
 
-    /* XXX error messages here ? */
+    if (STRNEQ(reply, "")) {
+        qemuReportError(VIR_ERR_INTERNAL_ERROR,
+                        _("unable to add host net: %s"),
+                        reply);
+        goto cleanup;
+    }
 
     ret = 0;
 
-- 
1.6.6.1

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