linux-kernel - Re: [PATCH net-next v5 08/10] bridge: cfm: Netlink GET configuration Interface.

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Date:   Wed, 14 Oct 2020 16:33:48 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Henrik Bjoernlund <henrik.bjoernlund@...rochip.com>
Cc:     <davem@...emloft.net>, <roopa@...dia.com>, <nikolay@...dia.com>,
        <jiri@...lanox.com>, <idosch@...lanox.com>,
        <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
        <bridge@...ts.linux-foundation.org>,
        <UNGLinuxDriver@...rochip.com>,
        Horatiu Vultur <horatiu.vultur@...rochip.com>
Subject: Re: [PATCH net-next v5 08/10] bridge: cfm: Netlink GET
 configuration Interface.

On Mon, 12 Oct 2020 14:04:26 +0000 Henrik Bjoernlund wrote:
> +		if (nla_put_u32(skb, IFLA_BRIDGE_CFM_CC_CCM_TX_SEQ_NO_UPDATE,
> +				mep->cc_ccm_tx_info.seq_no_update))
> +			goto nla_put_failure;
> +
> +		if (nla_put_u32(skb, IFLA_BRIDGE_CFM_CC_CCM_TX_PERIOD,
> +				mep->cc_ccm_tx_info.period))
> +			goto nla_put_failure;
> +
> +		if (nla_put_u32(skb, IFLA_BRIDGE_CFM_CC_CCM_TX_IF_TLV,
> +				mep->cc_ccm_tx_info.if_tlv))
> +			goto nla_put_failure;
> +
> +		if (nla_put_u8(skb, IFLA_BRIDGE_CFM_CC_CCM_TX_IF_TLV_VALUE,
> +			       mep->cc_ccm_tx_info.if_tlv_value))
> +			goto nla_put_failure;
> +
> +		if (nla_put_u32(skb, IFLA_BRIDGE_CFM_CC_CCM_TX_PORT_TLV,
> +				mep->cc_ccm_tx_info.port_tlv))
> +			goto nla_put_failure;
> +
> +		if (nla_put_u8(skb, IFLA_BRIDGE_CFM_CC_CCM_TX_PORT_TLV_VALUE,
> +			       mep->cc_ccm_tx_info.port_tlv_value))
> +			goto nla_put_failure;

Consider collapsing writing related attrs in a nest into a single
if statement:

	if (nla_put_u32(skb, IFLA_BRIDGE_CFM_CC_CCM_TX_SEQ_NO_UPDATE,
			mep->cc_ccm_tx_info.seq_no_update) ||
	    nla_put_u32(skb, IFLA_BRIDGE_CFM_CC_CCM_TX_PERIOD,
			mep->cc_ccm_tx_info.period) ||
		...