examples/ethtool: remove dead code

Remove dead code, and print better return for other errors.

>>>     CID 120411:  Control flow issues  (DEADCODE)
>>>     Execution cannot reach this statement: "return;".

Fixes: bda68ab9d1e7 ("examples/ethtool: add user-space ethtool sample application")

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Remy Horton <remy.horton@intel.com>

diff --git a/examples/ethtool/ethtool-app/ethapp.c b/examples/ethtool/ethtool-app/ethapp.c
index 57c584e..3863b02 100644 (file)
--- a/examples/ethtool/ethtool-app/ethapp.c
+++ b/examples/ethtool/ethtool-app/ethapp.c
@@ -480,12 +480,9 @@ pcmd_macaddr_callback(void *ptr_params,
                        return;
                }
        }
-       if (stat == 0)
-               return;
-       else if (stat == -ENOTSUP)
-               printf("Port %i: Operation not supported\n", params->port);
-       else
-               printf("Port %i: Error %i\n", params->port, stat);
+
+       printf("Port %i: Error %s\n", params->port,
+              strerror(-stat));
 }
 
 static void