vhost-scsi: Plug memory leak on migrate_add_blocker() failure

Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20210720125408.387910-6-armbru@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>

diff --git a/hw/scsi/vhost-scsi.c b/hw/scsi/vhost-scsi.c
index 8c611bfd2d2e28d59524663b81dd8e33656b520f..039caf2614eb16db1df0ffb9636d5625eaf6bbb2 100644 (file)
--- a/hw/scsi/vhost-scsi.c
+++ b/hw/scsi/vhost-scsi.c
@@ -208,7 +208,6 @@ static void vhost_scsi_realize(DeviceState *dev, Error **errp)
                 "target SCSI device state or use shared storage over network), "
                 "set 'migratable' property to true to enable migration.");
         if (migrate_add_blocker(vsc->migration_blocker, errp) < 0) {
-            error_free(vsc->migration_blocker);
             goto free_virtio;
         }
     }
@@ -233,11 +232,12 @@ static void vhost_scsi_realize(DeviceState *dev, Error **errp)
     return;
 
  free_vqs:
+    g_free(vsc->dev.vqs);
     if (!vsc->migratable) {
         migrate_del_blocker(vsc->migration_blocker);
     }
-    g_free(vsc->dev.vqs);
  free_virtio:
+    error_free(vsc->migration_blocker);
     virtio_scsi_common_unrealize(dev);
  close_fd:
     close(vhostfd);