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[SCSI] fix up request buffer reference in various scsi drivers

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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>
This commit is contained in:
Christoph Hellwig
2006-06-03 13:21:13 +02:00
committed by James Bottomley
parent e4a082c7c1
commit 5d5ff44fe6
17 changed files with 30 additions and 30 deletions
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drivers/scsi/ips.c
+1 -1
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@@ -4364,7 +4364,7 @@ ips_rdcap(ips_ha_t * ha, ips_scb_t * scb)
METHOD_TRACE("ips_rdcap", 1);
if (scb->scsi_cmd->bufflen < 8)
if (scb->scsi_cmd->request_bufflen < 8)
return (0);
cap.lba =