Re: Frequent Oops on Shutdown 2.6.10

[AndyLiebman@aol.com]

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Hello, Yoshi
 
Should I bother to apply this patch, or should I wait for you to make this  
last change? What did you think about my comment that the Oops only occurred  
when the Ethernet cable had been unplugged during operation? 
 
Regards, 
Andy Liebman

On Wed,  Feb 23, 2005 at 06:35:55PM +0900, YOSHIFUJI Hideaki / ?$B5HF#1QL@  
wrote:
> 
> What do you think of this?

Thanks, this looks  great.  There is just one technical detail
to patch up.

>  -int snmp6_unregister_dev(struct inet6_dev *idev)
> +int  snmp6_free_dev(struct inet6_dev *idev)
>  {
>     snmp6_mib_free((void **)idev->stats.icmpv6);
>     return 0;
>  }

You need to check whether icmpv6[0] is  NULL either here or in
snmp6_mib_free.  Otherwise when snmp6_alloc_dev  fails we'll
wind up here and then call free_percpu on a pair of NULL  pointers.

Cheers,
-- 
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