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SCSI fixes on 20220701

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One simple driver fix for a dma overrun.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fix from James Bottomley:
 "One simple driver fix for a dma overrun"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: hisi_sas: Limit max hw sectors for v3 HW
This commit is contained in:
Linus Torvalds 2022-07-01 10:38:17 -07:00
commit 067c227379
1 changed files with 7 additions and 0 deletions
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7
drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
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@ -2782,6 +2782,7 @@ static int slave_configure_v3_hw(struct scsi_device *sdev)
struct hisi_hba *hisi_hba = shost_priv(shost);
struct device *dev = hisi_hba->dev;
int ret = sas_slave_configure(sdev);
unsigned int max_sectors;
if (ret)
return ret;
@ -2799,6 +2800,12 @@ static int slave_configure_v3_hw(struct scsi_device *sdev)
}
}
/* Set according to IOMMU IOVA caching limit */
max_sectors = min_t(size_t, queue_max_hw_sectors(sdev->request_queue),
(PAGE_SIZE * 32) >> SECTOR_SHIFT);
blk_queue_max_hw_sectors(sdev->request_queue, max_sectors);
return 0;
}