From 4444b221f2682a3377eecfecdef66ddfa9355cf3 Mon Sep 17 00:00:00 2001
From: Heiko Schocher <hs@denx.de>
Date: Fri, 17 Sep 2010 13:10:35 +0200
Subject: [PATCH] i2c: fix command usage help
Portions of this work were supported by funding from
the CE Linux Forum.
Signed-off-by: Heiko Schocher <hs@denx.de>
---
common/cmd_i2c.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/common/cmd_i2c.c b/common/cmd_i2c.c
index 1283c82afb..a7b65edd5f 100644
--- a/common/cmd_i2c.c
+++ b/common/cmd_i2c.c
@@ -1288,6 +1288,9 @@ static int do_i2c(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
{
cmd_tbl_t *c;
+ if (argc < 2)
+ return cmd_usage(cmdtp);
+
/* Strip off leading 'i2c' command argument */
argc--;
argv++;
--
2.39.5