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authorChristoph Hellwig <hch@lst.de>2006-06-03 15:21:13 +0400
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>2006-06-06 19:07:25 +0400
commit5d5ff44fe6775ccb922fd1f7d478b2ba9ca95068 (patch)
treed8569caefe1cb5ecced30929ef98d3e1fe642425 /drivers/scsi/in2000.c
parente4a082c7c1f9a7b11fece6918e7ee5519b39ac46 (diff)
downloadlinux-5d5ff44fe6775ccb922fd1f7d478b2ba9ca95068.tar.xz
[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/in2000.c')
-rw-r--r--drivers/scsi/in2000.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/scsi/in2000.c b/drivers/scsi/in2000.c
index 9c519876f8a0..89a57a62e8ca 100644
--- a/drivers/scsi/in2000.c
+++ b/drivers/scsi/in2000.c
@@ -370,7 +370,7 @@ static int in2000_queuecommand(Scsi_Cmnd * cmd, void (*done) (Scsi_Cmnd *))
*/
if (cmd->use_sg) {
- cmd->SCp.buffer = (struct scatterlist *) cmd->buffer;
+ cmd->SCp.buffer = (struct scatterlist *) cmd->request_buffer;
cmd->SCp.buffers_residual = cmd->use_sg - 1;
cmd->SCp.ptr = (char *) page_address(cmd->SCp.buffer->page) + cmd->SCp.buffer->offset;
cmd->SCp.this_residual = cmd->SCp.buffer->length;