[PATCH 5.10 478/663] scsi: sd: Fix Opal support

From: Greg Kroah-Hartman
Date: Mon Mar 01 2021 - 18:28:49 EST


From: Bart Van Assche <bvanassche@xxxxxxx>

commit aaf15f8c6de932861f1fce6aeec6a89ac0e354b6 upstream.

The SCSI core has been modified recently such that it only processes PM
requests if rpm_status != RPM_ACTIVE. Since some Opal requests are
submitted while rpm_status != RPM_ACTIVE, set flag RQF_PM for Opal
requests.

See also https://bugzilla.kernel.org/show_bug.cgi?id=211227.

[mkp: updated sha for PM patch]

Link: https://lore.kernel.org/r/20210222021042.3534-1-bvanassche@xxxxxxx
Fixes: d80210f25ff0 ("sd: add support for TCG OPAL self encrypting disks")
Fixes: e6044f714b25 ("scsi: core: Only process PM requests if rpm_status != RPM_ACTIVE")
Cc: chriscjsus@xxxxxxxxx
Cc: Jens Axboe <axboe@xxxxxxxxx>
Cc: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Reported-by: chriscjsus@xxxxxxxxx
Tested-by: chriscjsus@xxxxxxxxx
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx>
Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/scsi/sd.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -709,9 +709,9 @@ static int sd_sec_submit(void *data, u16
put_unaligned_be16(spsp, &cdb[2]);
put_unaligned_be32(len, &cdb[6]);

- ret = scsi_execute_req(sdev, cdb,
- send ? DMA_TO_DEVICE : DMA_FROM_DEVICE,
- buffer, len, NULL, SD_TIMEOUT, sdkp->max_retries, NULL);
+ ret = scsi_execute(sdev, cdb, send ? DMA_TO_DEVICE : DMA_FROM_DEVICE,
+ buffer, len, NULL, NULL, SD_TIMEOUT, sdkp->max_retries, 0,
+ RQF_PM, NULL);
return ret <= 0 ? ret : -EIO;
}
#endif /* CONFIG_BLK_SED_OPAL */