[Qemu-devel] [PATCH v2 06/16] block/nbd: Default port in nbd_refresh_filename()

[Max Reitz <mreitz@redhat.com>]

Instead of not emitting the port in nbd_refresh_filename(), just set it
to the default if the user did not specify it. This makes the logic a
bit simpler.

Signed-off-by: Max Reitz <mreitz@redhat.com>
---
 block/nbd.c | 18 +++++++-----------
 1 file changed, 7 insertions(+), 11 deletions(-)

diff --git a/block/nbd.c b/block/nbd.c
index 6a2fc27..8d9a217 100644
--- a/block/nbd.c
+++ b/block/nbd.c
@@ -411,6 +411,10 @@ static void nbd_refresh_filename(BlockDriverState *bs, QDict *options)
     const char *export = qdict_get_try_str(options, "export");
     const char *tlscreds = qdict_get_try_str(options, "tls-creds");
 
+    if (host && !port) {
+        port = stringify(NBD_DEFAULT_PORT);
+    }
+
     qdict_put_obj(opts, "driver", QOBJECT(qstring_from_str("nbd")));
 
     if (path && export) {
@@ -419,27 +423,19 @@ static void nbd_refresh_filename(BlockDriverState *bs, QDict *options)
     } else if (path && !export) {
         snprintf(bs->exact_filename, sizeof(bs->exact_filename),
                  "nbd+unix://?socket=%s", path);
-    } else if (!path && export && port) {
+    } else if (!path && export) {
         snprintf(bs->exact_filename, sizeof(bs->exact_filename),
                  "nbd://%s:%s/%s", host, port, export);
-    } else if (!path && export && !port) {
-        snprintf(bs->exact_filename, sizeof(bs->exact_filename),
-                 "nbd://%s/%s", host, export);
-    } else if (!path && !export && port) {
+    } else if (!path && !export) {
         snprintf(bs->exact_filename, sizeof(bs->exact_filename),
                  "nbd://%s:%s", host, port);
-    } else if (!path && !export && !port) {
-        snprintf(bs->exact_filename, sizeof(bs->exact_filename),
-                 "nbd://%s", host);
     }
 
     if (path) {
         qdict_put_obj(opts, "path", QOBJECT(qstring_from_str(path)));
-    } else if (port) {
-        qdict_put_obj(opts, "host", QOBJECT(qstring_from_str(host)));
-        qdict_put_obj(opts, "port", QOBJECT(qstring_from_str(port)));
     } else {
         qdict_put_obj(opts, "host", QOBJECT(qstring_from_str(host)));
+        qdict_put_obj(opts, "port", QOBJECT(qstring_from_str(port)));
     }
     if (export) {
         qdict_put_obj(opts, "export", QOBJECT(qstring_from_str(export)));
-- 
2.7.1