xsegbd: Don't destroy the segment, if it exists.

diff --git a/xseg/sys/xsegbd.c b/xseg/sys/xsegbd.c
index 10236f8..bf4e57b 100644 (file)
--- a/xseg/sys/xsegbd.c
+++ b/xseg/sys/xsegbd.c
@@ -292,6 +292,7 @@ static struct xseg_peer xseg_peer_xsegdev = {
 int xsegbd_xseg_init(struct xsegbd *dev)
 {
        struct xseg_port *xport;
+       struct xsegdev *xsegdev;
        int r;
 
        if (!dev->name[0])
@@ -325,12 +326,16 @@ int xsegbd_xseg_init(struct xsegbd *dev)
                XSEGLOG("WARNING: unexpected segment type '%s' vs 'xsegdev'",
                         dev->config.type);
 
-       XSEGLOG("creating segment");
-       r = xseg_create(&dev->config);
-       if (r) {
-               XSEGLOG("cannot create segment");
-               goto err3;
+       xsegdev = xsegdev_get(0);
+       if (!xsegdev->segment) {
+               XSEGLOG("creating segment");
+               r = xseg_create(&dev->config);
+               if (r) {
+                       XSEGLOG("cannot create segment");
+                       goto err3;
+               }
        }
+       xsegdev_put(xsegdev);
 
        XSEGLOG("joining segment");
        dev->xseg = xseg_join("xsegdev", "xsegbd");