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SCSI fixes on 20190125

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Six fixes, all of which appear to have user visible consequences.  The
 DMA one is a regression fix from the merge window and of the others,
 four are driver specific and one specific to the target code.
 
 Signed-off-by: James E.J. Bottomley <[email protected]>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "Six fixes, all of which appear to have user visible consequences.

  The DMA one is a regression fix from the merge window and of the
  others, four are driver specific and one specific to the target code"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: ufs: Use explicit access size in ufshcd_dump_regs
  scsi: tcmu: fix use after free
  scsi: csiostor: fix NULL pointer dereference in csio_vport_set_state()
  scsi: lpfc: nvmet: avoid hang / use-after-free when destroying targetport
  scsi: lpfc: nvme: avoid hang / use-after-free when destroying localport
  scsi: communicate max segment size to the DMA mapping code
This commit is contained in:
Linus Torvalds 2019-01-26 15:03:43 -08:00
commit 7930851ef1
12 changed files with 47 additions and 45 deletions
Download patch file Download diff file Expand all files Collapse all files

9
drivers/ata/pata_macio.c
View file

@ -915,6 +915,10 @@ static struct scsi_host_template pata_macio_sht = {
.sg_tablesize = MAX_DCMDS,
/* We may not need that strict one */
.dma_boundary = ATA_DMA_BOUNDARY,
/* Not sure what the real max is but we know it's less than 64K, let's
* use 64K minus 256
*/
.max_segment_size = MAX_DBDMA_SEG,
.slave_configure = pata_macio_slave_config,
};
@ -1044,11 +1048,6 @@ static int pata_macio_common_init(struct pata_macio_priv *priv,
/* Make sure we have sane initial timings in the cache */
pata_macio_default_timings(priv);
/* Not sure what the real max is but we know it's less than 64K, let's
* use 64K minus 256
*/
dma_set_max_seg_size(priv->dev, MAX_DBDMA_SEG);
/* Allocate libata host for 1 port */
memset(&pinfo, 0, sizeof(struct ata_port_info));
pmac_macio_calc_timing_masks(priv, &pinfo);

22
drivers/ata/sata_inic162x.c
View file

@ -245,8 +245,15 @@ struct inic_port_priv {
static struct scsi_host_template inic_sht = {
ATA_BASE_SHT(DRV_NAME),
.sg_tablesize = LIBATA_MAX_PRD, /* maybe it can be larger? */
.dma_boundary = INIC_DMA_BOUNDARY,
.sg_tablesize = LIBATA_MAX_PRD, /* maybe it can be larger? */
/*
* This controller is braindamaged. dma_boundary is 0xffff like others
* but it will lock up the whole machine HARD if 65536 byte PRD entry
* is fed. Reduce maximum segment size.
*/
.dma_boundary = INIC_DMA_BOUNDARY,
.max_segment_size = 65536 - 512,
};
static const int scr_map[] = {
@ -868,17 +875,6 @@ static int inic_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
return rc;
}
/*
* This controller is braindamaged. dma_boundary is 0xffff
* like others but it will lock up the whole machine HARD if
* 65536 byte PRD entry is fed. Reduce maximum segment size.
*/
rc = dma_set_max_seg_size(&pdev->dev, 65536 - 512);
if (rc) {
dev_err(&pdev->dev, "failed to set the maximum segment size\n");
return rc;
}
rc = init_controller(hpriv->mmio_base, hpriv->cached_hctl);
if (rc) {
dev_err(&pdev->dev, "failed to initialize controller\n");