From 29ccd7c312f63e87a520b95dd9ec8fd2e1b9a3a6 Mon Sep 17 00:00:00 2001
From: Daniel Hobi <daniel.hobi@schmid-telecom.ch>
Date: Thu, 16 Sep 2010 14:36:09 +0200
Subject: [PATCH] tools/env: fail on invalid options

Signed-off-by: Daniel Hobi <daniel.hobi@schmid-telecom.ch>
---
 tools/env/fw_env_main.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/env/fw_env_main.c b/tools/env/fw_env_main.c
index baf3a4d..c654057 100644
--- a/tools/env/fw_env_main.c
+++ b/tools/env/fw_env_main.c
@@ -105,6 +105,10 @@ main(int argc, char *argv[])
 		case 'h':
 			usage();
 			return EXIT_SUCCESS;
+		default: /* '?' */
+			fprintf(stderr, "Try `%s --help' for more information."
+				"\n", cmdname);
+			return EXIT_FAILURE;
 		}
 	}