[libvirt] [PATCH] Fix error reporting with virDomainBlockStats on inactive guest

[Daniel P. Berrange]

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

Pull the check on virDomainIsActive upto top of the QEMU
impl of virDomainBlockStats so that is is reported promptly

* src/qemu/qemu_driver.c: Check if guest is active immediately
---
 src/qemu/qemu_driver.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 5632d62..3f8f814 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -5531,6 +5531,12 @@ qemudDomainBlockStats (virDomainPtr dom,
         goto cleanup;
     }
 
+    if (!virDomainObjIsActive(vm)) {
+        qemuReportError(VIR_ERR_OPERATION_INVALID,
+                        "%s", _("domain is not running"));
+        goto cleanup;
+    }
+
     for (i = 0 ; i < vm->def->ndisks ; i++) {
         if (STREQ(path, vm->def->disks[i]->dst)) {
             disk = vm->def->disks[i];
-- 
1.7.5.2