[PATCH v2] virNodeDeviceDefParse: Don't call post-parse callbacks with NULL def

When parsing of the node device XML fails we'd still call the post-parse and validation callbacks which makes no sense. Additionally the callbacks were expecting a non-NULL pointer which leads to a crash. Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=2014139 Fixes: d5ae634ba28 Signed-off-by: Peter Krempa <pkrempa(a)redhat.com&gt; --- v2: - Also handle failure of virXMLParse - add 'fails' into first sentence of commit message src/conf/node_device_conf.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/src/conf/node_device_conf.c b/src/conf/node_device_conf.c index 9bbff97ffd..1f39e2cbfd 100644 --- a/src/conf/node_device_conf.c +++ b/src/conf/node_device_conf.c @@ -2177,10 +2177,10 @@ virNodeDeviceDefParse(const char *str, g_autoptr(xmlDoc) xml = NULL; g_autoptr(virNodeDeviceDef) def = NULL; - if ((xml = virXMLParse(filename, str, _("(node_device_definition)"), NULL, false))) { - def = virNodeDeviceDefParseNode(xml, xmlDocGetRootElement(xml), - create, virt_type); - } + if (!(xml = virXMLParse(filename, str, _("(node_device_definition)"), NULL, false)) || + !(def = virNodeDeviceDefParseNode(xml, xmlDocGetRootElement(xml), + create, virt_type))) + return NULL; if (parserCallbacks) { int ret = 0; -- 2.31.1