[PATCH v3 6/8] conf: Check for duplicate authdef during hostdev iSCSI processing

[John Ferlan <jferlan@xxxxxxxxxx>]

If virDomainHostdevSubsysSCSIiSCSIDefParseXML processing finds a
duplicated <auth> structure, we should error out rather than continue.

Signed-off-by: John Ferlan <jferlan@xxxxxxxxxx>
---
 src/conf/domain_conf.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 9e46cf721b..2d75849e3d 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -7616,6 +7616,12 @@ virDomainHostdevSubsysSCSIiSCSIDefParseXML(xmlNodePtr sourcenode,
     while (cur != NULL) {
         if (cur->type == XML_ELEMENT_NODE &&
             virXMLNodeNameEqual(cur, "auth")) {
+            if (iscsisrc->src->auth) {
+                virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+                               _("an <auth> definition already found for "
+                                 "the <hostdev> iSCSI definition"));
+                return -1;
+            }
             if (!(authdef = virStorageAuthDefParse(cur, ctxt)))
                 return -1;
             if ((auth_secret_usage =
-- 
2.20.1