vhost: fix null pointer dereference in NUMA realloc

Fixes: b53c9d20fa06 ("vhost: improve vhost-user layer logs")
Signed-off-by: Weiguo Li <liwg06@foxmail.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>

diff --git a/lib/vhost/vhost_user.c b/lib/vhost/vhost_user.c
index 7a6fd87dd9036695fdf63e3fb76ceb6f0a4fcb8a..1d3f89afd8603e3679531c8d3a4cedcd5422744e 100644 (file)
--- a/lib/vhost/vhost_user.c
+++ b/lib/vhost/vhost_user.c
@@ -677,7 +677,7 @@ out_dev_realloc:
        dev = rte_realloc_socket(old_dev, sizeof(*dev), 0, node);
        if (!dev) {
                VHOST_LOG_CONFIG(ERR, "(%s) failed to realloc dev on node %d\n",
-                               dev->ifname, node);
+                               old_dev->ifname, node);
                return old_dev;
        }