scsi: ps3rom: Call scsi_done() directly

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

Link: https://lore.kernel.org/r/20211007202923.2174984-63-bvanassche@acm.org
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/ps3rom.c

@@ -209,7 +209,6 @@ static int ps3rom_queuecommand_lck(struct scsi_cmnd *cmd,
 	int res;
 
 	priv->curr_cmd = cmd;
-	cmd->scsi_done = done;
 
 	opcode = cmd->cmnd[0];
 	/*
@@ -237,7 +236,7 @@ static int ps3rom_queuecommand_lck(struct scsi_cmnd *cmd,
 		scsi_build_sense(cmd, 0, ILLEGAL_REQUEST, 0, 0);
 		cmd->result = res;
 		priv->curr_cmd = NULL;
-		cmd->scsi_done(cmd);
+		scsi_done(cmd);
 	}
 
 	return 0;
@@ -321,7 +320,7 @@ static irqreturn_t ps3rom_interrupt(int irq, void *data)
 
 done:
 	priv->curr_cmd = NULL;
-	cmd->scsi_done(cmd);
+	scsi_done(cmd);
 	return IRQ_HANDLED;
 }