rados: do not dump usage on invalid command

I hate this; it makes it impossible to see that there was an error message.

We made this same change a while back with rbd.

Signed-off-by: Sage Weil <sage@inktank.com>

diff --git a/src/tools/rados/rados.cc b/src/tools/rados/rados.cc
index e8386959349ce541da602a4a59f0f4eb2481b311..fdf7e61d41e0a0e3cbb572b1b118d9ac1ec26fad 100644 (file)
--- a/src/tools/rados/rados.cc
+++ b/src/tools/rados/rados.cc
@@ -2235,8 +2235,9 @@ static int rados_tool_common(const std::map < std::string, std::string > &opts,
     }
 
   } else {
-    cerr << "unrecognized command " << nargs[0] << std::endl;
-    usage_exit();
+    cerr << "unrecognized command " << nargs[0] << "; -h or --help for usage" << std::endl;
+    ret = -EINVAL;
+    goto out;
   }
 
   if (ret < 0)