linux-kernel - Re: [PATCH 2/3] drivers: scsi: remove unnecessary #ifdef MODULE

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Date:   Mon, 3 Jun 2019 10:46:56 -0600
From:   Khalid Aziz <khalid@...ehiking.org>
To:     "Enrico Weigelt, metux IT consult" <info@...ux.net>,
        linux-kernel@...r.kernel.org
Cc:     rjw@...ysocki.net, viresh.kumar@...aro.org, jdelvare@...e.com,
        linux@...ck-us.net, jejb@...ux.ibm.com, martin.petersen@...cle.com,
        aacraid@...rosemi.com, linux-pm@...r.kernel.org,
        linux-hwmon@...r.kernel.org, linux-scsi@...r.kernel.org
Subject: Re: [PATCH 2/3] drivers: scsi: remove unnecessary #ifdef MODULE

On 6/1/19 8:01 AM, Enrico Weigelt, metux IT consult wrote:
> The MODULE_DEVICE_TABLE() macro already checks for MODULE defined,
> so the extra check here is not necessary.
> 
> Signed-off-by: Enrico Weigelt <info@...ux.net>
> ---
>  drivers/scsi/BusLogic.c | 2 --
>  drivers/scsi/dpt_i2o.c  | 3 ---
>  2 files changed, 5 deletions(-)
> 
> diff --git a/drivers/scsi/BusLogic.c b/drivers/scsi/BusLogic.c
> index e41e51f..68cc68b 100644
> --- a/drivers/scsi/BusLogic.c
> +++ b/drivers/scsi/BusLogic.c
> @@ -3893,7 +3893,6 @@ static void __exit blogic_exit(void)
>  
>  __setup("BusLogic=", blogic_setup);
>  
> -#ifdef MODULE
>  /*static struct pci_device_id blogic_pci_tbl[] = {
>  	{ PCI_VENDOR_ID_BUSLOGIC, PCI_DEVICE_ID_BUSLOGIC_MULTIMASTER,
>  	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
> @@ -3909,7 +3908,6 @@ static void __exit blogic_exit(void)
>  	{PCI_DEVICE(PCI_VENDOR_ID_BUSLOGIC, PCI_DEVICE_ID_BUSLOGIC_FLASHPOINT)},
>  	{0, },
>  };
> -#endif
>  MODULE_DEVICE_TABLE(pci, blogic_pci_tbl);
>  
>  module_init(blogic_init);> diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c
> index abc74fd..9b28f9f 100644
> --- a/drivers/scsi/dpt_i2o.c
> +++ b/drivers/scsi/dpt_i2o.c
> @@ -177,14 +177,11 @@ static u8 adpt_read_blink_led(adpt_hba* host)
>   *============================================================================
>   */
>  
> -#ifdef MODULE
>  static struct pci_device_id dptids[] = {
>  	{ PCI_DPT_VENDOR_ID, PCI_DPT_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,},
>  	{ PCI_DPT_VENDOR_ID, PCI_DPT_RAPTOR_DEVICE_ID, PCI_ANY_ID, PCI_ANY_ID,},
>  	{ 0, }
>  };
> -#endif
> -
>  MODULE_DEVICE_TABLE(pci,dptids);
>  
>  static int adpt_detect(struct scsi_host_template* sht)
> 

As James pointed out, this will result in warning from compiler about
unused variable. Please address that first.

--
Khalid