Re: Fwd: Regression: Line6 Toneport stops working on 4.10-rc5

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On Mon, Feb 6, 2017 at 12:01 PM, Takashi Iwai <tiwai@xxxxxxx> wrote:
> On Mon, 06 Feb 2017 11:18:44 +0100,
> Greg KH wrote:
>>
>> On Mon, Feb 06, 2017 at 01:01:56PM +0300, Igor Zinovev wrote:
>> > Hello again!
>> >
>> > Thanks for the advice, but bisecting the whole tree took me quite a
>> > while and I ended up stuck because booting on some bisect states has
>> > led my system to run without some devices, like wireless and sound. So
>> > I tried to bisect the sound/usb/line6 path. It turns out that this
>> > commit is the point where it breaks for me:
>> > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/sound/usb/line6?id=f6a0dd107ad0c8b59d1c9735eea4b8cb9f460949
>> >
>> > In fact, when I apply the reverse patch on top of 4.10-rc7, it fixes
>> > the problem for me.
>>
>> Wonderful, thanks so much for tracking this down!
>>
>> > Should I bring some of the people that are mentioned in the commit
>> > into this conversation?
>>
>> I've done so now.  Andrej and Takashi, the above patch causes a
>> regression for Igor, any thoughts?  Should we just revert it?
>
> Yeah, the patch looks wrong, the function line6_get_interval() should
> be called unconditionally.
>
> I'm going to queue a revert for 4.10-final.
>

Yep, on the first look it's suspicious. I'll have a look on it in the
evening - not sure simple revert is the ideal solution... I'll get
back to you.

PS: Thanks for the bisecting, Igor!
PPS: Maybe this should go also to 4.9 stable, once resolved...


-- 
Greetings,

Andrej
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