linux-kernel - Re: [PATCH linux-next] scsi: target: cxgbit: replace ternary operator with min()

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Message-ID: <7e12e950-fece-845f-6784-d3e59480f810@acm.org>
Date:   Fri, 13 May 2022 19:41:35 -0700
From:   Bart Van Assche <bvanassche@....org>
To:     Guo Zhengkui <guozhengkui@...o.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Max Gurtovoy <mgurtovoy@...dia.com>,
        Mike Christie <michael.christie@...cle.com>,
        Varun Prakash <varun@...lsio.com>,
        "open list:SCSI TARGET SUBSYSTEM" <linux-scsi@...r.kernel.org>,
        "open list:SCSI TARGET SUBSYSTEM" <target-devel@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Cc:     zhengkui_guo@...look.com
Subject: Re: [PATCH linux-next] scsi: target: cxgbit: replace ternary operator
 with min()

On 5/12/22 06:37, Guo Zhengkui wrote:
> diff --git a/drivers/target/iscsi/cxgbit/cxgbit_cm.c b/drivers/target/iscsi/cxgbit/cxgbit_cm.c
> index 3336d2b78bf7..6d9a13da6cb7 100644
> --- a/drivers/target/iscsi/cxgbit/cxgbit_cm.c
> +++ b/drivers/target/iscsi/cxgbit/cxgbit_cm.c
> @@ -1008,7 +1008,7 @@ int cxgbit_ofld_send(struct cxgbit_device *cdev, struct sk_buff *skb)
>   	ret = cxgb4_ofld_send(cdev->lldi.ports[0], skb);
>   	if (ret < 0)
>   		kfree_skb(skb);
> -	return ret < 0 ? ret : 0;
> +	return min(ret, 0);
>   }
>   
>   static void cxgbit_release_tid(struct cxgbit_device *cdev, u32 tid)
> @@ -1039,7 +1039,7 @@ cxgbit_l2t_send(struct cxgbit_device *cdev, struct sk_buff *skb,
>   	ret = cxgb4_l2t_send(cdev->lldi.ports[0], skb, l2e);
>   	if (ret < 0)
>   		kfree_skb(skb);
> -	return ret < 0 ? ret : 0;
> +	return min(ret, 0);
>   }
>   
>   static void cxgbit_send_rx_credits(struct cxgbit_sock *csk, struct sk_buff *skb)

I prefer to keep the existing code since "return min(ret, 0)" is not how 
humans write kernel code.

Thanks,

Bart.