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From: Heiko Schocher <hs@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [RFC][PATCH 08/19] i2c: fix command usage help
Date: Thu, 29 Jul 2010 12:44:45 +0200	[thread overview]
Message-ID: <4C515B9D.2090805@denx.de> (raw)

Signed-off-by: Heiko Schocher <hs@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

-- 
DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany

             reply	other threads:[~2010-07-29 10:44 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-29 10:44 Heiko Schocher [this message]
2010-07-29 15:40 ` [U-Boot] [RFC][PATCH 08/19] i2c: fix command usage help Peter Tyser
2010-07-30  6:04   ` Heiko Schocher
2010-08-03 10:15     ` [U-Boot] [RFC][PATCH v2 " Heiko Schocher

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