Re: BUG: problem while tracing cfg80211

["Arend van Spriel" <arend@broadcom.com>]

On 03/19/2013 09:18 AM, Johannes Berg wrote:
> On Mon, 2013-03-18 at 23:09 +0100, Arend van Spriel wrote:
>> On 03/18/2013 11:02 PM, Arend van Spriel wrote:
>>> On 03/18/2013 09:03 PM, Johannes Berg wrote:
>>>> On Mon, 2013-03-18 at 20:47 +0100, Arend van Spriel wrote:
>>>>> Hi Johannes,
>>>>>
>>>>> While testing David Spinadel's P2P device support functionality I got
>>>>> the following blurb, which is probably caused by cfg80211 tracing given
>>>>> the instruction pointer address.
>>>>>
>>>>> brcmfmac returns ERR_PTR(-ENOENT) and I think the trace code/macros do
>>>>> not take this into account.
>>>>
>>>> I guess this should fix it?
>>>>
>>>> http://p.sipsolutions.net/fdea39f2a56aff67.txt
>>>
>>> Did not test it, but that would be my guess to. Just another
>>> observation: Is the wdev identifier not defined as u64?
>
> Mind testing it? :-)

Left my test equipment at work. Just tested it and it works fine so:

Tested-by: Arend van Spriel <arend@broadcom.com>

>> Found the answer. In nl80211 API the wdev identifier is 64 bits, which
>> got me confused.
>
> Yes, externally it's a u64 but the high 32 bits are just the wiphy ID.
> Makes it easier to look things up based on the wdev index :-)

Thanks,
Arend