scsi: ips: Change the return type of ips_release() into 'void'

ips_release() has one caller and that caller ignores the value returned by
ips_release(). Hence change the return type of that function into 'void'.

Link: https://lore.kernel.org/r/20220218195117.25689-3-bvanassche@acm.org
Cc: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Cc: John Garry <john.garry@huawei.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/ips.c

@@ -638,8 +638,7 @@ ips_setup_funclist(ips_ha_t * ha)
 /*   Remove a driver                                                        */
 /*                                                                          */
 /****************************************************************************/
-static int
-ips_release(struct Scsi_Host *sh)
+static void ips_release(struct Scsi_Host *sh)
 {
 	ips_scb_t *scb;
 	ips_ha_t *ha;
@@ -660,7 +659,7 @@ ips_release(struct Scsi_Host *sh)
 	ha = IPS_HA(sh);
 
 	if (!ha)
-		return (FALSE);
+		return;
 
 	/* flush the cache on the controller */
 	scb = &ha->scbs[ha->max_cmds - 1];
@@ -698,8 +697,6 @@ ips_release(struct Scsi_Host *sh)
 	scsi_host_put(sh);
 
 	ips_released_controllers++;
-
-	return (FALSE);
 }
 
 /****************************************************************************/