From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiko Schocher Date: Tue, 03 Aug 2010 12:15:19 +0200 Subject: [U-Boot] [RFC][PATCH v2 08/19] i2c: fix command usage help In-Reply-To: <4C526B7E.3000605@denx.de> References: <4C515B9D.2090805@denx.de> <1280418017.19222.202.camel@petert> <4C526B7E.3000605@denx.de> Message-ID: <4C57EC37.3070601@denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Signed-off-by: Heiko Schocher --- - 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