Signed-off-by: Heiko Schocher <[email protected]>
---
- 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 371e022..5e9135e 100644
--- a/common/cmd_i2c.c
+++ b/common/cmd_i2c.c
@@ -1291,6 +1291,9 @@ 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
--
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