helper: command: return correct error on command 'echo'

In case of incorrect syntax, return ERROR_COMMAND_SYNTAX_ERROR so
the command framework will print the usage string.

Change-Id: I348debc77f470551d54fa77b4da780a48ff539c0
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/8802
Tested-by: jenkins

diff --git a/src/helper/command.c b/src/helper/command.c
index d90d34141ba6efe64da747a1ae0bd16e21ef3c50..38fb4f83b7a4cfbde6ca0b68412ddb5d7f35a011 100644 (file)
--- a/src/helper/command.c
+++ b/src/helper/command.c
@@ -673,7 +673,7 @@ COMMAND_HANDLER(handle_echo)
        }
 
        if (CMD_ARGC != 1)
-               return ERROR_FAIL;
+               return ERROR_COMMAND_SYNTAX_ERROR;
 
        LOG_USER("%s", CMD_ARGV[0]);
        return ERROR_OK;