Conditional statements are faster than indirect calls. Hence call
scsi_done() directly.
Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx>
---
drivers/scsi/aha1542.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/drivers/scsi/aha1542.c b/drivers/scsi/aha1542.c
index 584a59522038..8697f4720946 100644
--- a/drivers/scsi/aha1542.c
+++ b/drivers/scsi/aha1542.c
@@ -281,7 +281,6 @@ static irqreturn_t aha1542_interrupt(int irq, void *dev_id)
{
struct Scsi_Host *sh = dev_id;
struct aha1542_hostdata *aha1542 = shost_priv(sh);
- void (*my_done)(struct scsi_cmnd *) = NULL;
int errstatus, mbi, mbo, mbistatus;
int number_serviced;
unsigned long flags;
@@ -369,14 +368,13 @@ static irqreturn_t aha1542_interrupt(int irq, void *dev_id)
tmp_cmd = aha1542->int_cmds[mbo];
- if (!tmp_cmd || !tmp_cmd->scsi_done) {
+ if (!tmp_cmd) {
spin_unlock_irqrestore(sh->host_lock, flags);
shost_printk(KERN_WARNING, sh, "Unexpected interrupt\n");
shost_printk(KERN_WARNING, sh, "tarstat=%x, hastat=%x idlun=%x ccb#=%d\n", ccb[mbo].tarstat,
ccb[mbo].hastat, ccb[mbo].idlun, mbo);
return IRQ_HANDLED;
}
- my_done = tmp_cmd->scsi_done;
aha1542_free_cmd(tmp_cmd);
/*
* Fetch the sense data, and tuck it away, in the required slot. The
@@ -410,7 +408,7 @@ static irqreturn_t aha1542_interrupt(int irq, void *dev_id)
aha1542->int_cmds[mbo] = NULL; /* This effectively frees up the mailbox slot, as
* far as queuecommand is concerned
*/
- my_done(tmp_cmd);
+ scsi_done(tmp_cmd);
number_serviced++;
};
}
@@ -431,7 +429,7 @@ static int aha1542_queuecommand(struct Scsi_Host *sh, struct scsi_cmnd *cmd)
if (*cmd->cmnd == REQUEST_SENSE) {
/* Don't do the command - we have the sense data already */
cmd->result = 0;
- cmd->scsi_done(cmd);
+ scsi_done(cmd);
return 0;
}
#ifdef DEBUG
@@ -488,7 +486,7 @@ static int aha1542_queuecommand(struct Scsi_Host *sh, struct scsi_cmnd *cmd)
aha1542->aha1542_last_mbo_used = mbo;
#ifdef DEBUG
- shost_printk(KERN_DEBUG, sh, "Sending command (%d %p)...", mbo, cmd->scsi_done);
+ shost_printk(KERN_DEBUG, sh, "Sending command (%d)...", mbo);
#endif
/* This gets trashed for some reason */
