linux-kernel - [patch 013/164] staging: vt6655: Fix kernel BUG on driver wpa initialization

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Date:	Thu, 01 Jul 2010 10:33:19 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Larry Finger <Larry.Finger@...inger.net>
Subject: [patch 013/164] staging: vt6655: Fix kernel BUG on driver wpa initialization

2.6.33-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Larry Finger <Larry.Finger@...inger.net>

commit f65515275ea3e45fdcd0fb78455f542d6fdca086 upstream.

In http://bugzilla.novell.com/show_bug.cgi?id=597299, the vt6655 driver
generates a kernel BUG on a NULL pointer dereference at NULL. This problem
has been traced to a failure in the wpa_set_wpadev() routine. As the vt6656
driver does not call this routine, the vt6655 code is similarly set to skip
the call.

Signed-off-by: Larry Finger <Larry.Finger@...inger.net>
Tested-by: Richard Meek <osl2008@...glemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 drivers/staging/vt6655/device_main.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/staging/vt6655/device_main.c
+++ b/drivers/staging/vt6655/device_main.c
@@ -1089,11 +1089,13 @@ device_found1(struct pci_dev *pcid, cons
     }
 //2008-07-21-01<Add>by MikeLiu
 //register wpadev
+#if 0
    if(wpa_set_wpadev(pDevice, 1)!=0) {
      printk("Fail to Register WPADEV?\n");
         unregister_netdev(pDevice->dev);
         free_netdev(dev);
    }
+#endif
     device_print_info(pDevice);
     pci_set_drvdata(pcid, pDevice);
     return 0;


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