From ee02a4ef40f2e049c80f9cc04e21a9b48288b6ff Mon Sep 17 00:00:00 2001
From: Thomas Chou <thomas@wytron.com.tw>
Date: Sun, 23 May 2010 16:44:02 +0000
Subject: [PATCH] ethoc: fix null dereference in ethoc_probe

Dan reported the patch 0baa080c75c: "ethoc: use system memory
as buffer" introduced a potential null dereference.

  1060  free:
  1061          if (priv->dma_alloc)
                    ^^^^^^^^^^^^^^^
	priv can be null here.

He also suggested that the error handling is not complete.

This patch fixes the null priv issue and improves resources
releasing in ethoc_probe() and ethoc_remove().

Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Signed-off-by: David S. Miller <davem@davemloft.net>
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