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Tue, 7 Mar 2023 10:56:43 +0000 Received: from DM6PR10MB4313.namprd10.prod.outlook.com ([fe80::fff7:981:3ae6:92eb]) by DM6PR10MB4313.namprd10.prod.outlook.com ([fe80::fff7:981:3ae6:92eb%4]) with mapi id 15.20.6156.029; Tue, 7 Mar 2023 10:56:43 +0000 From: John Garry To: jejb@linux.ibm.com, martin.petersen@oracle.com Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, dgilbert@interlog.com, John Garry Subject: [PATCH 07/11] scsi: scsi_debug: Drop scsi_debug_host_reset() device NULL pointer check Date: Tue, 7 Mar 2023 10:55:51 +0000 Message-Id: <20230307105555.3745277-8-john.g.garry@oracle.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20230307105555.3745277-1-john.g.garry@oracle.com> References: <20230307105555.3745277-1-john.g.garry@oracle.com> X-ClientProxiedBy: DM6PR18CA0036.namprd18.prod.outlook.com (2603:10b6:5:15b::49) To DM6PR10MB4313.namprd10.prod.outlook.com (2603:10b6:5:212::20) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM6PR10MB4313:EE_|DM4PR10MB6719:EE_ X-MS-Office365-Filtering-Correlation-Id: 4fe9f871-a98a-41d8-0394-08db1efaa386 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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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 --- drivers/scsi/scsi_debug.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index 6f1dbd8dc37f..6707ccdc07c9 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -5446,7 +5446,7 @@ 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) {