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| author | James Bottomley <James.Bottomley@HansenPartnership.com> | 2007-12-12 15:06:21 -0500 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2007-12-18 16:04:08 -0600 |
| commit | c80ddf00cde4c21018dbd0ea2872736c90c7dda2 (patch) | |
| tree | 9014d20c2d7f98b22b882cecbb247a67ec5018ad | |
| parent | 7ee2413ca0da80c819f2388c0faeffce1ac8513b (diff) | |
| download | linux-c80ddf00cde4c21018dbd0ea2872736c90c7dda2.tar.bz2 | |
[SCSI] dpt_i2o: driver is only 32 bit so don't set 64 bit DMA mask
This fixes a potential corruption bug where the truncation would cause
reading or writing to the wrong memory area on machines with >4GB of
main memory.
Cc: Stable Kernel Tree <stable@kernel.org>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| -rw-r--r-- | drivers/scsi/dpt_i2o.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c index 70f48a1a6d58..b31d1c95c9fb 100644 --- a/drivers/scsi/dpt_i2o.c +++ b/drivers/scsi/dpt_i2o.c @@ -906,8 +906,7 @@ static int adpt_install_hba(struct scsi_host_template* sht, struct pci_dev* pDev } pci_set_master(pDev); - if (pci_set_dma_mask(pDev, DMA_64BIT_MASK) && - pci_set_dma_mask(pDev, DMA_32BIT_MASK)) + if (pci_set_dma_mask(pDev, DMA_32BIT_MASK)) return -EINVAL; base_addr0_phys = pci_resource_start(pDev,0); |