linux-kernel - RE: [PATCH] scsi: ufs: Remove useless if-state in ufshcd_add_command

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Date:   Wed, 4 Aug 2021 06:38:32 +0000
From:   Avri Altman <Avri.Altman@....com>
To:     Bean Huo <huobean@...il.com>,
        "alim.akhtar@...sung.com" <alim.akhtar@...sung.com>,
        "martin.petersen@...cle.com" <martin.petersen@...cle.com>,
        "stanley.chu@...iatek.com" <stanley.chu@...iatek.com>,
        "beanhuo@...ron.com" <beanhuo@...ron.com>,
        "bvanassche@....org" <bvanassche@....org>,
        "cang@...eaurora.org" <cang@...eaurora.org>
CC:     "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] scsi: ufs: Remove useless if-state in
 ufshcd_add_command_trace

> 
> From: Bean Huo <beanhuo@...ron.com>
> 
> ufshcd_add_cmd_upiu_trace() will be called anyway, so move if-state down,
> make code simpler.
> 
> Signed-off-by: Bean Huo <beanhuo@...ron.com>
Reviewed-by: Avri Altman <avri.altman@....com>


> ---
>  drivers/scsi/ufs/ufshcd.c | 9 +++------
>  1 file changed, 3 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index
> 064a44e628d6..02f54153fd6d 100644
> --- a/drivers/scsi/ufs/ufshcd.c
> +++ b/drivers/scsi/ufs/ufshcd.c
> @@ -380,14 +380,11 @@ static void ufshcd_add_command_trace(struct
> ufs_hba *hba, unsigned int tag,
>         if (!cmd)
>                 return;
> 
> -       if (!trace_ufshcd_command_enabled()) {
> -               /* trace UPIU W/O tracing command */
> -               ufshcd_add_cmd_upiu_trace(hba, tag, str_t);
> -               return;
> -       }
> -
>         /* trace UPIU also */
>         ufshcd_add_cmd_upiu_trace(hba, tag, str_t);
> +       if (!trace_ufshcd_command_enabled())
> +               return;
> +
>         opcode = cmd->cmnd[0];
>         lba = scsi_get_lba(cmd);
> 
> --
> 2.25.1