[git patch] SCSI aic94xx fix

From: Jeff Garzik
Date: Tue Oct 02 2007 - 13:22:11 EST


The SCSI maintainer wants to wait until 2.6.25 for this obvious data
corruption fix.

I vehemently disagree.



Please pull from 'sas-fixes' branch of
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/misc-2.6.git sas-fixes

to receive the following updates:

drivers/scsi/aic94xx/aic94xx_task.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)

Jeff Garzik (1):
aic94xx: fix DMA data direction for SMP requests

diff --git a/drivers/scsi/aic94xx/aic94xx_task.c b/drivers/scsi/aic94xx/aic94xx_task.c
index d5d8cab..ab13824 100644
--- a/drivers/scsi/aic94xx/aic94xx_task.c
+++ b/drivers/scsi/aic94xx/aic94xx_task.c
@@ -451,7 +451,7 @@ static int asd_build_smp_ascb(struct asd_ascb *ascb, struct sas_task *task,
struct scb *scb;

pci_map_sg(asd_ha->pcidev, &task->smp_task.smp_req, 1,
- PCI_DMA_FROMDEVICE);
+ PCI_DMA_TODEVICE);
pci_map_sg(asd_ha->pcidev, &task->smp_task.smp_resp, 1,
PCI_DMA_FROMDEVICE);

@@ -486,7 +486,7 @@ static void asd_unbuild_smp_ascb(struct asd_ascb *a)

BUG_ON(!task);
pci_unmap_sg(a->ha->pcidev, &task->smp_task.smp_req, 1,
- PCI_DMA_FROMDEVICE);
+ PCI_DMA_TODEVICE);
pci_unmap_sg(a->ha->pcidev, &task->smp_task.smp_resp, 1,
PCI_DMA_FROMDEVICE);
}
-
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