From: Ján Tomko <jtomko@redhat.com>
Date: Thu, 18 Feb 2021 13:51:12 +0000 (+0100)
Subject: hyperv: check return value of virUUIDGenerate
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=634516262aa1fca541fca0e2d06404559de14a43;p=libvirt.git

hyperv: check return value of virUUIDGenerate

Fixes: fa66bd8cad2359b7d21676e0fd69bec472b36514
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
---

diff --git a/src/hyperv/hyperv_driver.c b/src/hyperv/hyperv_driver.c
index c1ed4b5c7c..701456cdb3 100644
--- a/src/hyperv/hyperv_driver.c
+++ b/src/hyperv/hyperv_driver.c
@@ -1080,7 +1080,9 @@ hypervDomainAttachSyntheticEthernetAdapter(virDomainPtr domain,
      */
     portResourceType = g_strdup_printf("%d", MSVM_RASD_RESOURCETYPE_ETHERNET_ADAPTER);
 
-    virUUIDGenerate(vsiGuid);
+    if (virUUIDGenerate(vsiGuid) < 0)
+        return -1;
+
     virUUIDFormat(vsiGuid, guidString);
     virtualSystemIdentifiers = g_strdup_printf("{%s}", guidString);