scsi: a100u2w: Call scsi_done() directly

Conditional statements are faster than indirect calls. Hence call
scsi_done() directly.

Link: https://lore.kernel.org/r/20211007202923.2174984-15-bvanassche@acm.orgSigned-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/a100u2w.c

@@ -917,7 +917,6 @@ static int inia100_queue_lck(struct scsi_cmnd * cmd, void (*done) (struct scsi_c
 	struct orc_host *host;		/* Point to Host adapter control block */
 
 	host = (struct orc_host *) cmd->device->host->hostdata;
-	cmd->scsi_done = done;
 	/* Get free SCSI control block  */
 	if ((scb = orc_alloc_scb(host)) == NULL)
 		return SCSI_MLQUEUE_HOST_BUSY;
@@ -1042,7 +1041,7 @@ static void inia100_scb_handler(struct orc_host *host, struct orc_scb *scb)
 	}
 	cmd->result = scb->tastat | (scb->hastat << 16);
 	scsi_dma_unmap(cmd);
-	cmd->scsi_done(cmd);	/* Notify system DONE           */
+	scsi_done(cmd);		/* Notify system DONE           */
 	orc_release_scb(host, scb);	/* Release SCB for current channel */
 }