From: Heiko Schocher <hs@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [RFC][PATCH v2 08/19] i2c: fix command usage help
Date: Tue, 03 Aug 2010 12:15:19 +0200 [thread overview]
Message-ID: <4C57EC37.3070601@denx.de> (raw)
In-Reply-To: <4C526B7E.3000605@denx.de>
Signed-off-by: Heiko Schocher <hs@denx.de>
---
- changes since v1
added comment from Peter Tyser
- simplified this patch as cmd_usage() returns 1
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 a1a84a1..48de54b 100644
--- a/common/cmd_i2c.c
+++ b/common/cmd_i2c.c
@@ -1297,6 +1297,9 @@ 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
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
prev parent reply other threads:[~2010-08-03 10:15 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-29 10:44 [U-Boot] [RFC][PATCH 08/19] i2c: fix command usage help Heiko Schocher
2010-07-29 15:40 ` Peter Tyser
2010-07-30 6:04 ` Heiko Schocher
2010-08-03 10:15 ` Heiko Schocher [this message]
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