scsi: imm: Call scsi_done() directly

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

Link: https://lore.kernel.org/r/20211007202923.2174984-40-bvanassche@acm.orgSigned-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/imm.c

@@ -769,7 +769,7 @@ static void imm_interrupt(struct work_struct *work)
 
 	spin_lock_irqsave(host->host_lock, flags);
 	dev->cur_cmd = NULL;
-	cmd->scsi_done(cmd);
+	scsi_done(cmd);
 	spin_unlock_irqrestore(host->host_lock, flags);
 	return;
 }
@@ -922,7 +922,6 @@ static int imm_queuecommand_lck(struct scsi_cmnd *cmd,
 	dev->failed = 0;
 	dev->jstart = jiffies;
 	dev->cur_cmd = cmd;
-	cmd->scsi_done = done;
 	cmd->result = DID_ERROR << 16;	/* default return code */
 	cmd->SCp.phase = 0;	/* bus free */