On Wed, Aug 12, 2015 at 05:27:48PM -0400, John Ferlan wrote:
Since iothreadid = 0 is invalid, we need to check for it when attempting
to add a disk; otherwise, someone would think/believe their attempt to
add an IOThread to the disk would succeed. Luckily other code ignored
things when ->iothread == 0...


We are very fortunate indeed in this regard.  ACK then.

Martin

Signed-off-by: John Ferlan <[email protected]>
---
src/conf/domain_conf.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index b743bdd..10630c0 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -7448,7 +7448,8 @@ virDomainDiskDefParseXML(virDomainXMLOptionPtr xmlopt,
    }

    if (driverIOThread) {
-        if (virStrToLong_uip(driverIOThread, NULL, 10, &def->iothread) < 0) {
+        if (virStrToLong_uip(driverIOThread, NULL, 10, &def->iothread) < 0 ||
+            def->iothread == 0) {
            virReportError(VIR_ERR_XML_ERROR,
                           _("Invalid iothread attribute in disk driver "
                             "element: %s"), driverIOThread);
--
2.1.0

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