netdev - Re: [patch net-next v3 8/9] devlink: add a command to set notification filter and use it for multicasts

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Date: Mon, 20 Nov 2023 18:51:23 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Jiri Pirko <jiri@...nulli.us>
Cc: netdev@...r.kernel.org, pabeni@...hat.com, davem@...emloft.net,
 edumazet@...gle.com, jacob.e.keller@...el.com, jhs@...atatu.com,
 johannes@...solutions.net, andriy.shevchenko@...ux.intel.com,
 amritha.nambiar@...el.com, sdf@...gle.com, horms@...nel.org
Subject: Re: [patch net-next v3 8/9] devlink: add a command to set
 notification filter and use it for multicasts

On Mon, 20 Nov 2023 09:46:56 +0100 Jiri Pirko wrote:
> +	if (attrs[DEVLINK_ATTR_BUS_NAME])
> +		data_size += nla_len(attrs[DEVLINK_ATTR_BUS_NAME]) + 1;
> +	if (attrs[DEVLINK_ATTR_DEV_NAME])
> +		data_size += nla_len(attrs[DEVLINK_ATTR_DEV_NAME]) + 1;

> +	/* Don't attach empty filter. */
> +	if (!flt->bus_name && !flt->dev_name) {

Should the attrs be checked with GENL_REQ_ATTR_CHECK() then?