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authorChristoph Hellwig <hch@lst.de>2006-06-03 13:21:13 +0200
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>2006-06-06 11:07:25 -0400
commit5d5ff44fe6775ccb922fd1f7d478b2ba9ca95068 (patch)
treed8569caefe1cb5ecced30929ef98d3e1fe642425 /drivers/scsi/aacraid
parente4a082c7c1f9a7b11fece6918e7ee5519b39ac46 (diff)
[SCSI] fix up request buffer reference in various scsi drivers
Various scsi drivers use scsi_cmnd.buffer and scsi_cmnd.bufflen in their queuecommand functions. Those fields are internal storage for the midlayer only and are used to restore the original payload after request_buffer and request_bufflen have been overwritten for EH. Using the buffer and bufflen fields means they do very broken things in error handling. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/aacraid')
-rw-r--r--drivers/scsi/aacraid/aachba.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index be8dde4c0f0..e4b38f896cb 100644
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -961,7 +961,7 @@ static void io_callback(void *context, struct fib * fibptr)
if(scsicmd->use_sg)
pci_unmap_sg(dev->pdev,
- (struct scatterlist *)scsicmd->buffer,
+ (struct scatterlist *)scsicmd->request_buffer,
scsicmd->use_sg,
scsicmd->sc_data_direction);
else if(scsicmd->request_bufflen)
@@ -1919,7 +1919,7 @@ static void aac_srb_callback(void *context, struct fib * fibptr)
if(scsicmd->use_sg)
pci_unmap_sg(dev->pdev,
- (struct scatterlist *)scsicmd->buffer,
+ (struct scatterlist *)scsicmd->request_buffer,
scsicmd->use_sg,
scsicmd->sc_data_direction);
else if(scsicmd->request_bufflen)