Message ID | 20230313084505.1487337-8-john.g.garry@oracle.com |
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Mon, 13 Mar 2023 08:45:37 +0000 Received: from DM6PR10MB4313.namprd10.prod.outlook.com ([fe80::7276:bc4c:17a0:7267]) by DM6PR10MB4313.namprd10.prod.outlook.com ([fe80::7276:bc4c:17a0:7267%6]) with mapi id 15.20.6178.024; Mon, 13 Mar 2023 08:45:36 +0000 From: John Garry <john.g.garry@oracle.com> To: jejb@linux.ibm.com, martin.petersen@oracle.com Cc: linux-scsi@vger.kernel.org, bvanassche@acm.org, linux-kernel@vger.kernel.org, dgilbert@interlog.com, John Garry <john.g.garry@oracle.com> Subject: [PATCH v2 07/11] scsi: scsi_debug: Drop scsi_debug_host_reset() device NULL pointer check Date: Mon, 13 Mar 2023 08:45:02 +0000 Message-Id: <20230313084505.1487337-8-john.g.garry@oracle.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20230313084505.1487337-1-john.g.garry@oracle.com> References: <20230313084505.1487337-1-john.g.garry@oracle.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: MN2PR07CA0015.namprd07.prod.outlook.com (2603:10b6:208:1a0::25) To DM6PR10MB4313.namprd10.prod.outlook.com (2603:10b6:5:212::20) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM6PR10MB4313:EE_|SJ0PR10MB4703:EE_ X-MS-Office365-Filtering-Correlation-Id: 963c57e3-06cb-4e49-b129-08db239f50e4 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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[v2,01/11] scsi: scsi_debug: Don't hold driver host struct pointer in host->hostdata[]
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diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index 749358b48335..47820b9f6326 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -5440,7 +5440,7 @@ static int scsi_debug_host_reset(struct scsi_cmnd *SCpnt) int k = 0; ++num_host_resets; - if ((SCpnt->device) && (SDEBUG_OPT_ALL_NOISE & sdebug_opts)) + if (SDEBUG_OPT_ALL_NOISE & sdebug_opts) sdev_printk(KERN_INFO, SCpnt->device, "%s\n", __func__); spin_lock(&sdebug_host_list_lock); list_for_each_entry(sdbg_host, &sdebug_host_list, host_list) {
The check for device pointer for the SCSI command is unnecessary, so drop it. The only caller is scsi_try_host_reset() -> eh_host_reset_handler(), and there that pointer cannot be NULL. Indeed, there is already code later in the same function which does not check the device pointer for the SCSI command. Signed-off-by: John Garry <john.g.garry@oracle.com> --- drivers/scsi/scsi_debug.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)