[SERIAL] Fix oops when removing some PCI serial boards

Patch from William Lee Irwin II.

[SERIAL] Fix oops when removing some PCI serial boards
Patch from William Lee Irwin II.
8f3c0618 · Russell King · cbf98efd · 8f3c0618
Commit 8f3c0618 authored Oct 11, 2002 by Russell King
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drivers/serial/8250_pci.c drivers/serial/8250_pci.c +2 -1

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--- a/drivers/serial/8250_pci.c
+++ b/drivers/serial/8250_pci.c
@@ -768,7 +768,8 @@ static void __devexit pci_remove_one(struct pci_dev *dev)
 		for (i = 0; i < priv->nr; i++)
 			unregister_serial(priv->line[i]);

-		priv->board->init_fn(dev, priv->board, 0);
+		if (priv->board->init_fn)
+			priv->board->init_fn(dev, priv->board, 0);

 		pci_disable_device(dev);