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ieee1394: sbp2: slightly reorder sbp2scsi_abort

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Put the target's fetch agent into reset state before the underlying ORB
DMA is unmapped and the ->done handler is called.  It is highly unlikely
but the target could access that ORB right before sbp2 sends the reset
request.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
This commit is contained in:
Stefan Richter 2006-09-11 20:17:14 +02:00
parent 0e930f437e
commit 23077f1d72
1 changed files with 2 additions and 8 deletions
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10
drivers/ieee1394/sbp2.c
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@ -2564,11 +2564,9 @@ static int sbp2scsi_abort(struct scsi_cmnd *SCpnt)
scsi_print_command(SCpnt);
if (sbp2util_node_is_available(scsi_id)) {
sbp2_agent_reset(scsi_id, 1);
/*
* Right now, just return any matching command structures
* to the free pool.
*/
/* Return a matching command structure to the free pool. */
spin_lock_irqsave(&scsi_id->sbp2_command_orb_lock, flags);
command = sbp2util_find_command_for_SCpnt(scsi_id, SCpnt);
if (command) {
@ -2589,10 +2587,6 @@ static int sbp2scsi_abort(struct scsi_cmnd *SCpnt)
}
spin_unlock_irqrestore(&scsi_id->sbp2_command_orb_lock, flags);
/*
* Initiate a fetch agent reset.
*/
sbp2_agent_reset(scsi_id, 1);
sbp2scsi_complete_all_commands(scsi_id, DID_BUS_BUSY);
}