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[PATCH] Serial: No need to check for priv != NULL in remove_one

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Russell King 20 年之前
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056a8763fc
共有 1 个文件被更改,包括 17 次插入20 次删除
  1. 17 20
      drivers/serial/8250_pci.c

+ 17 - 20
drivers/serial/8250_pci.c

@@ -1766,33 +1766,30 @@ pciserial_init_one(struct pci_dev *dev, const struct pci_device_id *ent)
 static void __devexit pciserial_remove_one(struct pci_dev *dev)
 {
 	struct serial_private *priv = pci_get_drvdata(dev);
+	struct pci_serial_quirk *quirk;
+	int i;
 
 	pci_set_drvdata(dev, NULL);
 
-	if (priv) {
-		struct pci_serial_quirk *quirk;
-		int i;
-
-		for (i = 0; i < priv->nr; i++)
-			serial8250_unregister_port(priv->line[i]);
+	for (i = 0; i < priv->nr; i++)
+		serial8250_unregister_port(priv->line[i]);
 
-		for (i = 0; i < PCI_NUM_BAR_RESOURCES; i++) {
-			if (priv->remapped_bar[i])
-				iounmap(priv->remapped_bar[i]);
-			priv->remapped_bar[i] = NULL;
-		}
+	for (i = 0; i < PCI_NUM_BAR_RESOURCES; i++) {
+		if (priv->remapped_bar[i])
+			iounmap(priv->remapped_bar[i]);
+		priv->remapped_bar[i] = NULL;
+	}
 
-		/*
-		 * Find the exit quirks.
-		 */
-		quirk = find_quirk(dev);
-		if (quirk->exit)
-			quirk->exit(dev);
+	/*
+	 * Find the exit quirks.
+	 */
+	quirk = find_quirk(dev);
+	if (quirk->exit)
+		quirk->exit(dev);
 
-		pci_disable_device(dev);
+	pci_disable_device(dev);
 
-		kfree(priv);
-	}
+	kfree(priv);
 }
 
 static int pciserial_suspend_one(struct pci_dev *dev, pm_message_t state)