Commit c80ddf00 authored by James Bottomley's avatar James Bottomley
Browse files

[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: default avatarJames Bottomley <James.Bottomley@HansenPartnership.com>
parent 7ee2413c

drivers/scsi/dpt_i2o.c

+1 −2
Original line number Diff line number Diff line
@@ -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);