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

When parsing of the node device XML 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; --- src/conf/node_device_conf.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/src/conf/node_device_conf.c b/src/conf/node_device_conf.c index 9bbff97ffd..d5e02f623d 100644 --- a/src/conf/node_device_conf.c +++ b/src/conf/node_device_conf.c @@ -2178,8 +2178,9 @@ virNodeDeviceDefParse(const char *str, g_autoptr(virNodeDeviceDef) def = NULL; if ((xml = virXMLParse(filename, str, _("(node_device_definition)"), NULL, false))) { - def = virNodeDeviceDefParseNode(xml, xmlDocGetRootElement(xml), - create, virt_type); + if (!(def = virNodeDeviceDefParseNode(xml, xmlDocGetRootElement(xml), + create, virt_type))) + return NULL; } if (parserCallbacks) { -- 2.31.1