Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c80ddf00cde4c21018dbd0ea2872736c90c7dda2
Commit: c80ddf00cde4c21018dbd0ea2872736c90c7dda2
Parent: 7ee2413ca0da80c819f2388c0faeffce1ac8513b
Author: James Bottomley <[EMAIL PROTECTED]>
AuthorDate: Wed Dec 12 15:06:21 2007 -0500
Committer: James Bottomley <[EMAIL PROTECTED]>
CommitDate: Tue Dec 18 16:04:08 2007 -0600
[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 <[EMAIL PROTECTED]>
Signed-off-by: James Bottomley <[EMAIL PROTECTED]>
---
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 70f48a1..b31d1c9 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);
-
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