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scsi: scsi_debug: Avoid PI being disabled when TPGS is enabled

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It was not possible to enable both T10 PI and TPGS because they share
the same byte in the INQUIRY response. Logically OR the TPGS value
instead of using assignment.

Reported-by: Ritika Srivastava <ritika.srivastava@oracle.com>
Reviewed-by: Bart Van Assche <Bart.VanAssche@sandisk.com>
Reviewed-by: Ewan D. Milne <emilne@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Martin K. Petersen 2017-05-19 12:39:36 -04:00
parent 4cd3b6ebff
commit 70bdf2026d
1 changed files with 1 additions and 1 deletions
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2
drivers/scsi/scsi_debug.c
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@ -1404,7 +1404,7 @@ static int resp_inquiry(struct scsi_cmnd *scp, struct sdebug_dev_info *devip)
arr[4] = SDEBUG_LONG_INQ_SZ - 5;
arr[5] = (int)have_dif_prot; /* PROTECT bit */
if (sdebug_vpd_use_hostno == 0)
arr[5] = 0x10; /* claim: implicit TGPS */
arr[5] |= 0x10; /* claim: implicit TPGS */
arr[6] = 0x10; /* claim: MultiP */
/* arr[6] |= 0x40; ... claim: EncServ (enclosure services) */
arr[7] = 0xa; /* claim: LINKED + CMDQUE */