Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=6b4df7ee1f636f0dbf3896235582559c86cb18aa
Commit: 6b4df7ee1f636f0dbf3896235582559c86cb18aa
Parent: bb71f99f8daefb4a2c2441298bc127aaff9af947
Author: Russell King <[EMAIL PROTECTED]>
AuthorDate: Sun Mar 4 20:19:07 2007 +0000
Committer: Russell King <[EMAIL PROTECTED]>
CommitDate: Sun Mar 4 20:33:20 2007 +0000
[ARM] ARM FAS216: don't modify scsi_cmnd request_bufflen
SCSI doesn't want drivers to modify request_bufflen, so keep a
driver-private copy of this in the scsi_pointer structure instead.
Signed-off-by: Russell King <[EMAIL PROTECTED]>
---
drivers/scsi/arm/fas216.c | 9 +++++----
drivers/scsi/arm/scsi.h | 2 ++
2 files changed, 7 insertions(+), 4 deletions(-)
diff --git a/drivers/scsi/arm/fas216.c b/drivers/scsi/arm/fas216.c
index 2969cc0..fb5f202 100644
--- a/drivers/scsi/arm/fas216.c
+++ b/drivers/scsi/arm/fas216.c
@@ -633,7 +633,7 @@ static void fas216_updateptrs(FAS216_Info *info, int
bytes_transferred)
BUG_ON(bytes_transferred < 0);
- info->SCpnt->request_bufflen -= bytes_transferred;
+ SCp->phase -= bytes_transferred;
while (bytes_transferred != 0) {
if (SCp->this_residual > bytes_transferred)
@@ -715,7 +715,7 @@ static void fas216_cleanuptransfer(FAS216_Info *info)
return;
if (dmatype == fasdma_real_all)
- total = info->SCpnt->request_bufflen;
+ total = info->scsi.SCp.phase;
else
total = info->scsi.SCp.this_residual;
@@ -753,7 +753,7 @@ static void fas216_transfer(FAS216_Info *info)
fas216_log(info, LOG_BUFFER,
"starttransfer: buffer %p length 0x%06x reqlen 0x%06x",
info->scsi.SCp.ptr, info->scsi.SCp.this_residual,
- info->SCpnt->request_bufflen);
+ info->scsi.SCp.phase);
if (!info->scsi.SCp.ptr) {
fas216_log(info, LOG_ERROR, "null buffer passed to "
@@ -784,7 +784,7 @@ static void fas216_transfer(FAS216_Info *info)
info->dma.transfer_type = dmatype;
if (dmatype == fasdma_real_all)
- fas216_set_stc(info, info->SCpnt->request_bufflen);
+ fas216_set_stc(info, info->scsi.SCp.phase);
else
fas216_set_stc(info, info->scsi.SCp.this_residual);
@@ -2114,6 +2114,7 @@ request_sense:
SCpnt->SCp.buffers_residual = 0;
SCpnt->SCp.ptr = (char *)SCpnt->sense_buffer;
SCpnt->SCp.this_residual = sizeof(SCpnt->sense_buffer);
+ SCpnt->SCp.phase = sizeof(SCpnt->sense_buffer);
SCpnt->SCp.Message = 0;
SCpnt->SCp.Status = 0;
SCpnt->request_bufflen = sizeof(SCpnt->sense_buffer);
diff --git a/drivers/scsi/arm/scsi.h b/drivers/scsi/arm/scsi.h
index 3a39579..21ba571 100644
--- a/drivers/scsi/arm/scsi.h
+++ b/drivers/scsi/arm/scsi.h
@@ -80,6 +80,7 @@ static inline void init_SCp(struct scsi_cmnd *SCpnt)
(page_address(SCpnt->SCp.buffer->page) +
SCpnt->SCp.buffer->offset);
SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length;
+ SCpnt->SCp.phase = SCpnt->request_bufflen;
#ifdef BELT_AND_BRACES
/*
@@ -98,6 +99,7 @@ static inline void init_SCp(struct scsi_cmnd *SCpnt)
} else {
SCpnt->SCp.ptr = (unsigned char *)SCpnt->request_buffer;
SCpnt->SCp.this_residual = SCpnt->request_bufflen;
+ SCpnt->SCp.phase = SCpnt->request_bufflen;
}
/*
-
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