[U-Boot] [RFC][PATCH 08/19] i2c: fix command usage help

[Heiko Schocher]

Signed-off-by: Heiko Schocher <hs at denx.de>
---
 common/cmd_i2c.c |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/common/cmd_i2c.c b/common/cmd_i2c.c
index a1a84a1..91e60ae 100644
--- a/common/cmd_i2c.c
+++ b/common/cmd_i2c.c
@@ -1297,6 +1297,11 @@ static int do_i2c(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
 {
 	cmd_tbl_t *c;

+	if (argc < 2) {
+		cmd_usage(cmdtp);
+		return 1;
+	}
+
 	/* Strip off leading 'i2c' command argument */
 	argc--;
 	argv++;
-- 
1.6.2.5

-- 
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