linux-kernel - Re: [PATCH v2 24/24] scsi: aic7xxx: aic79xx_osm: Remove set but unused variabes 'saved_scsiid' and 'saved

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Message-ID: <559e47de-fa26-9ae5-a3c5-4adeae606309@suse.de>
Date:   Tue, 14 Jul 2020 09:46:25 +0200
From:   Hannes Reinecke <hare@...e.de>
To:     Lee Jones <lee.jones@...aro.org>, jejb@...ux.ibm.com,
        martin.petersen@...cle.com
Cc:     linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org,
        Hannes Reinecke <hare@...e.com>
Subject: Re: [PATCH v2 24/24] scsi: aic7xxx: aic79xx_osm: Remove set but
 unused variabes 'saved_scsiid' and 'saved_modes'

On 7/13/20 10:00 AM, Lee Jones wrote:
> Haven't been used since 2006.
> 
> Fixes the following W=1 kernel build warning(s):
> 
>  drivers/scsi/aic7xxx/aic79xx_osm.c: In function ‘ahd_linux_queue_abort_cmd’:
>  drivers/scsi/aic7xxx/aic79xx_osm.c:2155:17: warning: variable ‘saved_modes’ set but not used [-Wunused-but-set-variable]
>  drivers/scsi/aic7xxx/aic79xx_osm.c:2148:9: warning: variable ‘saved_scsiid’ set but not used [-Wunused-but-set-variable]
> 
> Cc: Hannes Reinecke <hare@...e.com>
> Signed-off-by: Lee Jones <lee.jones@...aro.org>
> ---
>  drivers/scsi/aic7xxx/aic79xx_osm.c | 4 ----
>  1 file changed, 4 deletions(-)
> 
> diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.c b/drivers/scsi/aic7xxx/aic79xx_osm.c
> index 3782a20d58885..140c4e74ddd7e 100644
> --- a/drivers/scsi/aic7xxx/aic79xx_osm.c
> +++ b/drivers/scsi/aic7xxx/aic79xx_osm.c
> @@ -2141,14 +2141,12 @@ ahd_linux_queue_abort_cmd(struct scsi_cmnd *cmd)
>  	u_int  saved_scbptr;
>  	u_int  active_scbptr;
>  	u_int  last_phase;
> -	u_int  saved_scsiid;
>  	u_int  cdb_byte;
>  	int    retval;
>  	int    was_paused;
>  	int    paused;
>  	int    wait;
>  	int    disconnected;
> -	ahd_mode_state saved_modes;
>  	unsigned long flags;
>  
>  	pending_scb = NULL;
> @@ -2239,7 +2237,6 @@ ahd_linux_queue_abort_cmd(struct scsi_cmnd *cmd)
>  		goto done;
>  	}
>  
> -	saved_modes = ahd_save_modes(ahd);
>  	ahd_set_modes(ahd, AHD_MODE_SCSI, AHD_MODE_SCSI);
>  	last_phase = ahd_inb(ahd, LASTPHASE);
>  	saved_scbptr = ahd_get_scbptr(ahd);
> @@ -2257,7 +2254,6 @@ ahd_linux_queue_abort_cmd(struct scsi_cmnd *cmd)
>  	 * passed in command.  That command is currently active on the
>  	 * bus or is in the disconnected state.
>  	 */
> -	saved_scsiid = ahd_inb(ahd, SAVED_SCSIID);
>  	if (last_phase != P_BUSFREE
>  	    && SCB_GET_TAG(pending_scb) == active_scbptr) {
>  
> 
Reviewed-by: Hannes Reinecke <hare@...e.de>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		           Kernel Storage Architect
hare@...e.de			                  +49 911 74053 688
SUSE Software Solutions Germany GmbH, Maxfeldstr. 5, 90409 Nürnberg
HRB 36809 (AG Nürnberg), GF: Felix Imendörffer