vhost: fix error handling when mem table gets updated

[dpdk.git] / lib / librte_vhost / vhost_user.c

diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c
index 1ef02c9..83d3e63 100644 (file)
--- a/lib/librte_vhost/vhost_user.c
+++ b/lib/librte_vhost/vhost_user.c
@@ -953,8 +953,10 @@ vhost_user_set_mem_table(struct virtio_net **pdev, struct VhostUserMsg *msg)
                        vring_invalidate(dev, vq);
 
                        dev = translate_ring_addresses(dev, i);
-                       if (!dev)
-                               return VH_RESULT_ERR;
+                       if (!dev) {
+                               dev = *pdev;
+                               goto err_mmap;
+                       }
 
                        *pdev = dev;
                }