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[SCSI] Remove unnecessary locking around completion function calls 

The SCSI ->done() hook should not be called from inside a spinlock.

Drivers that do this are mostly cut-n-paste from 2.2.x-era.

Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Jeff Garzik 2005-05-28 07:47:39 -04:00
parent 12021fff2b
commit e3df715501
3 changed files with 0 additions and 12 deletions
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4
drivers/fc4/fc.c
View File

@ -767,10 +767,8 @@ static void fcp_scsi_done (Scsi_Cmnd *SCpnt)
{
unsigned long flags;
spin_lock_irqsave(SCpnt->device->host->host_lock, flags);
if (FCP_CMND(SCpnt)->done)
FCP_CMND(SCpnt)->done(SCpnt);
spin_unlock_irqrestore(SCpnt->device->host->host_lock, flags);
}
static int fcp_scsi_queue_it(fc_channel *fc, Scsi_Cmnd *SCpnt, fcp_cmnd *fcmd, int prepare)
@ -912,9 +910,7 @@ int fcp_scsi_abort(Scsi_Cmnd *SCpnt)
unsigned long flags;
SCpnt->result = DID_ABORT;
spin_lock_irqsave(SCpnt->device->host->host_lock, flags);
fcmd->done(SCpnt);
spin_unlock_irqrestore(SCpnt->device->host->host_lock, flags);
printk("FC: soft abort\n");
return SUCCESS;
} else {

6
drivers/ieee1394/sbp2.c
View File

@ -2453,8 +2453,6 @@ static void sbp2scsi_complete_command(struct scsi_id_instance_data *scsi_id,
u32 scsi_status, struct scsi_cmnd *SCpnt,
void (*done)(struct scsi_cmnd *))
{
unsigned long flags;
SBP2_DEBUG("sbp2scsi_complete_command");
/*
@ -2553,11 +2551,7 @@ static void sbp2scsi_complete_command(struct scsi_id_instance_data *scsi_id,
/*
* Tell scsi stack that we're done with this command
*/
spin_lock_irqsave(scsi_id->scsi_host->host_lock,flags);
done (SCpnt);
spin_unlock_irqrestore(scsi_id->scsi_host->host_lock,flags);
return;
}

2
drivers/scsi/ultrastor.c
View File

@ -954,9 +954,7 @@ static int ultrastor_abort(Scsi_Cmnd *SCpnt)
SCpnt->result = DID_ABORT << 16;
/* Take the host lock to guard against scsi layer re-entry */
spin_lock_irqsave(host->host_lock, flags);
done(SCpnt);
spin_unlock_irqrestore(host->host_lock, flags);
/* Need to set a timeout here in case command never completes. */
return SUCCESS;