[ath9k-devel] [PATCH] ath9k: Check for NULL sta in ath_tx_start

[Ben Greear <greearb@candelatech.com>]

On 12/06/2010 09:21 PM, Luis R. Rodriguez wrote:
> On Mon, Dec 6, 2010 at 9:13 PM,<greearb@gmail.com>  wrote:
>> From: Ben Greear<greearb@candelatech.com>
>>
>> It can be NULL according to docs, and logging showed it
>> to be NULL in practice.
>>
>> Signed-off-by: Ben Greear<greearb@candelatech.com>
>
> Does this fix an oops? If so can you explain and provide the trace and
> resubmit and cc stable in the commit log?

I think it fixes the TID corruption I posted about earlier.  It seems
so obvious though, that I'm curious why no one else sees problems,
and why I didn't see more crashes in my setup.

(The paprd code appears to send with null STA, for instance, and my
printks showed lots of NULL stas in my 16-sta test setup, though I
don't think I'm using the paprd code path.)

I'll test some more and re-post tomorrow if all goes well.

Thanks,
Ben

-- 
Ben Greear <greearb@candelatech.com>
Candela Technologies Inc  http://www.candelatech.com