From: Heiko Carstens <heiko.carstens@de.ibm.com>
Date: Thu, 15 Sep 2011 06:52:34 +0000 (+0200)
Subject: lscpu: stricter command line parsing
X-Git-Tag: v2.21-rc1~390
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7bbb7829ca33fe2baf6e068485e72bc94f8b0188;p=thirdparty%2Futil-linux.git

lscpu: stricter command line parsing

Disallow superfluous commands for lscpu like e.g. "lscpu bla" and let it
fail print the help text instead.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
---

diff --git a/sys-utils/lscpu.c b/sys-utils/lscpu.c
index c636eb7cbf..8637ef1949 100644
--- a/sys-utils/lscpu.c
+++ b/sys-utils/lscpu.c
@@ -1289,6 +1289,10 @@ int main(int argc, char *argv[])
 			usage(stderr);
 		}
 	}
+
+	if (argc != optind)
+		usage(stderr);
+
 	/* set default cpu display mode if none was specified */
 	if (!mod->online && !mod->offline) {
 		mod->online = 1;