[U-Boot] [PATCH 08/26 v2][NEXT] i2c: fix command usage help

Heiko Schocher
2010-09-17T11:10:35Z

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 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/common/cmd_i2c.c b/common/cmd_i2c.c
index 1283c82..a7b65ed 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++;
--
1.6.2.5