From 311d802790d987e7ce04f5b0dd0527cc8a6c09e6 Mon Sep 17 00:00:00 2001
From: Wolfgang Denk <wd@pollux.denx.de>
Date: Fri, 21 Jul 2006 11:20:46 +0200
Subject: [PATCH] Check argument count in "mii" command. Problem pointed out by
Andrew Dyer, 13 Jun 2005
---
CHANGELOG | 3 +++
common/cmd_mii.c | 5 +++++
2 files changed, 8 insertions(+)
diff --git a/CHANGELOG b/CHANGELOG
index 41fd312f8b..4f6da77a69 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -2,6 +2,9 @@
Changes since U-Boot 1.1.4:
======================================================================
+* Check argument count in "mii" command.
+ Problem pointed out by Andrew Dyer, 13 Jun 2005
+
* Cleanup TQM5200 board configurations:
- make highboot configurations use environment at high end, too,
to avoid flash fragmentation
diff --git a/common/cmd_mii.c b/common/cmd_mii.c
index 48a4e77c55..ee5e43ee8c 100644
--- a/common/cmd_mii.c
+++ b/common/cmd_mii.c
@@ -57,6 +57,11 @@ int do_mii (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
int rcode = 0;
char *devname;
+ if (argc < 2) {
+ printf ("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+ }
+
#if defined(CONFIG_8xx) || defined(CONFIG_MCF52x2)
mii_init ();
#endif
--
2.39.5