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Re: [PATCHv5] mac80211: fix NULL pointer dereference in ieee80211_compatible_rates

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On Tue, May 20, 2008 at 08:47:13AM -0500, Larry Finger wrote:
> Johannes Berg wrote:
>>>> Thing is, I'm not totally convinced it is wrong to the code while it may
>>>> or may not be wrong...
>>> Doesn't should be bss pinned int he bss list if you are associating to
>>> it. If it's not there you don't have access to it's info It looks very
>>> wrong to me.
>>
>> Well, yes, it is a bit odd.
>>
>>>> I think this patch should go in first as it
>>>> actually fixes the oops, and then we can discuss the merits of adding a
>>>> warning there separately. Maybe after we look a bit at the code and try
>>>> to figure out whether it can still happen after that patch from
>>>> Abhijeet.
>>> I'm not sure if this patch is complete without this warning. What is
>>> in the else statement is a hack and it should be obvious.
>>
>> Considering that the message won't help us at all, why bother? We know
>> it's triggering, we know this might be a problem, and we know we can
>> only solve it by auditing the code. So why add a message that will get
>> us countless emails/complaints from people we cannot do anything about
>> anyway without doing the audit?
>
> This argument could go on endlessly; however, it is clear that we need to 
> settle on a patch and get it upstream ASAP! Now that mainline is broken, 
> the urgency is _MUCH_ greater.

I agree.  I'll take this one unless someone finds a problem with it.

John
-- 
John W. Linville
linville@xxxxxxxxxxxxx
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