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

[Heiko Schocher]

Portions of this work were supported by funding from
the CE Linux Forum.

Signed-off-by: Heiko Schocher <hs at 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