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Fri, 14 Jul 2023 21:34:37 +0000 Received: from CY8PR10MB7243.namprd10.prod.outlook.com ([fe80::f5ac:d576:d989:34fa]) by CY8PR10MB7243.namprd10.prod.outlook.com ([fe80::f5ac:d576:d989:34fa%4]) with mapi id 15.20.6588.028; Fri, 14 Jul 2023 21:34:37 +0000 From: Mike Christie To: john.g.garry@oracle.com, bvanassche@acm.org, mwilck@suse.com, hch@lst.de, martin.petersen@oracle.com, linux-scsi@vger.kernel.org, james.bottomley@hansenpartnership.com Cc: Mike Christie Subject: [PATCH v10 09/33] scsi: sd: Fix sshdr use in sd_spinup_disk Date: Fri, 14 Jul 2023 16:33:55 -0500 Message-Id: <20230714213419.95492-10-michael.christie@oracle.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230714213419.95492-1-michael.christie@oracle.com> References: <20230714213419.95492-1-michael.christie@oracle.com> X-ClientProxiedBy: DM6PR08CA0013.namprd08.prod.outlook.com (2603:10b6:5:80::26) To CY8PR10MB7243.namprd10.prod.outlook.com (2603:10b6:930:7c::10) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CY8PR10MB7243:EE_|CH0PR10MB4921:EE_ X-MS-Office365-Filtering-Correlation-Id: 93019a78-7b82-46db-9471-08db84b21f8b X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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If it returns 0, then the cmd executed successfully, so there is no need to check the sshdr. This has us access the sshdr when get a return value > 0. Signed-off-by: Mike Christie Reviewed-by: Christoph Hellwig Reviewed-by: John Garry Reviewed-by: Bart Van Assche --- drivers/scsi/sd.c | 24 +++++++++++++----------- 1 file changed, 13 insertions(+), 11 deletions(-) diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index f75e2d7a864c..753f18457ea1 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -2219,19 +2219,21 @@ sd_spinup_disk(struct scsi_disk *sdkp) sdkp->max_retries, &exec_args); - /* - * If the drive has indicated to us that it - * doesn't have any media in it, don't bother - * with any more polling. - */ - if (media_not_present(sdkp, &sshdr)) { - if (media_was_present) - sd_printk(KERN_NOTICE, sdkp, "Media removed, stopped polling\n"); - return; - } + if (the_result > 0) { + /* + * If the drive has indicated to us that it + * doesn't have any media in it, don't bother + * with any more polling. + */ + if (media_not_present(sdkp, &sshdr)) { + if (media_was_present) + sd_printk(KERN_NOTICE, sdkp, + "Media removed, stopped polling\n"); + return; + } - if (the_result) sense_valid = scsi_sense_valid(&sshdr); + } retries++; } while (retries < 3 && (!scsi_status_is_good(the_result) ||