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authorDavid Woodhouse <dwmw2@infradead.org>2008-02-03 18:29:41 +1100
committerDavid Woodhouse <dwmw2@infradead.org>2008-02-03 18:30:32 +1100
commitc1f3ee120bb61045b1c0a3ead620d1d65af47130 (patch)
tree908430bf2b47fe8e96ac623ae7ab6dd5698d0938 /drivers/scsi/imm.c
parente619a75ff6201b567a539e787aa9af9bc63a3187 (diff)
parent9135f1901ee6449dfe338adf6e40e9c2025b8150 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Diffstat (limited to 'drivers/scsi/imm.c')
-rw-r--r--drivers/scsi/imm.c13
1 files changed, 5 insertions, 8 deletions
diff --git a/drivers/scsi/imm.c b/drivers/scsi/imm.c
index a3d0c6b1495..f97d172844b 100644
--- a/drivers/scsi/imm.c
+++ b/drivers/scsi/imm.c
@@ -837,19 +837,16 @@ static int imm_engine(imm_struct *dev, struct scsi_cmnd *cmd)
/* Phase 4 - Setup scatter/gather buffers */
case 4:
- if (cmd->use_sg) {
- /* if many buffers are available, start filling the first */
- cmd->SCp.buffer =
- (struct scatterlist *) cmd->request_buffer;
+ if (scsi_bufflen(cmd)) {
+ cmd->SCp.buffer = scsi_sglist(cmd);
cmd->SCp.this_residual = cmd->SCp.buffer->length;
cmd->SCp.ptr = sg_virt(cmd->SCp.buffer);
} else {
- /* else fill the only available buffer */
cmd->SCp.buffer = NULL;
- cmd->SCp.this_residual = cmd->request_bufflen;
- cmd->SCp.ptr = cmd->request_buffer;
+ cmd->SCp.this_residual = 0;
+ cmd->SCp.ptr = NULL;
}
- cmd->SCp.buffers_residual = cmd->use_sg - 1;
+ cmd->SCp.buffers_residual = scsi_sg_count(cmd) - 1;
cmd->SCp.phase++;
if (cmd->SCp.this_residual & 0x01)
cmd->SCp.this_residual++;