netdev - Re: [patch iproute2] bond_slave: add help and fail on unknown opt

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Date:	Sun, 28 Sep 2014 15:56:25 -0700
From:	Stephen Hemminger <stephen@...workplumber.org>
To:	Jiri Pirko <jiri@...nulli.us>
Cc:	netdev@...r.kernel.org, davem@...emloft.net, nikolay@...hat.com
Subject: Re: [patch iproute2] bond_slave: add help and fail on unknown opt

On Fri,  5 Sep 2014 09:45:25 +0200
Jiri Pirko <jiri@...nulli.us> wrote:

> Signed-off-by: Jiri Pirko <jiri@...nulli.us>
> ---
>  ip/iplink_bond_slave.c | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)
> 
> diff --git a/ip/iplink_bond_slave.c b/ip/iplink_bond_slave.c
> index aacba14..3c26f08 100644
> --- a/ip/iplink_bond_slave.c
> +++ b/ip/iplink_bond_slave.c
> @@ -17,6 +17,13 @@
>  #include "utils.h"
>  #include "ip_common.h"
>  
> +static void explain(void)
> +{
> +	fprintf(stderr,
> +		"Usage: ... bond_slave [ queue_id QUEUE_ID ]\n"
> +	);
> +}
> +
>  static const char *slave_states[] = {
>  	[BOND_STATE_ACTIVE] = "ACTIVE",
>  	[BOND_STATE_BACKUP] = "BACKUP",
> @@ -91,6 +98,14 @@ static int bond_slave_parse_opt(struct link_util *lu, int argc, char **argv,
>  			if (get_u16(&queue_id, *argv, 0))
>  				invarg("queue_id is invalid", *argv);
>  			addattr16(n, 1024, IFLA_BOND_SLAVE_QUEUE_ID, queue_id);
> +		} else if (matches(*argv, "help") == 0) {
> +			explain();
> +			return -1;
> +		} else {
> +			fprintf(stderr, "bond_slave: unknown option \"%s\"?\n",
> +				*argv);
> +			explain();
> +			return -1;
>  		}
>  		argc--, argv++;
>  	}

This patch does not apply. there is probably some earlier patch you forgot to send about
BOND_SLAVE_QUEUE_ID.
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