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| author | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2006-09-11 20:17:14 +0200 |
|---|---|---|
| committer | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2006-12-07 21:27:30 +0100 |
| commit | 23077f1d72d279244536f11db51258fc4759c81a (patch) | |
| tree | 74f44fbe7ee74bddb65325bb73341a8236c01172 /drivers | |
| parent | 0e930f437eab6db6de5e3f0efbf10dafffca401a (diff) | |
| download | linux-3.10-23077f1d72d279244536f11db51258fc4759c81a.tar.gz linux-3.10-23077f1d72d279244536f11db51258fc4759c81a.tar.bz2 linux-3.10-23077f1d72d279244536f11db51258fc4759c81a.zip | |
ieee1394: sbp2: slightly reorder sbp2scsi_abort
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/ieee1394/sbp2.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index cd156d4e779..e5ba55bbd93 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -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); } |