linux-kernel - Re: [V4.1] Regression: Bluetooth mouse not working.

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Message-ID: <CADDKRnBiB+z2iMc+04ZzntRkGhVW5isNQ+sLt-UVPg3mo+Q7jg@mail.gmail.com>
Date:	Fri, 17 Apr 2015 18:43:03 +0200
From:	Jörg Otte <jrg.otte@...il.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Marcel Holtmann <marcel@...tmann.org>,
	Gustavo Padovan <gustavo@...ovan.org>,
	Johan Hedberg <johan.hedberg@...il.com>,
	"bluez mailin list (linux-bluetooth@...r.kernel.org)" 
	<linux-bluetooth@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [V4.1] Regression: Bluetooth mouse not working.

2015-04-17 16:51 GMT+02:00 Jörg Otte <jrg.otte@...il.com>:
> 2015-04-17 15:44 GMT+02:00 Linus Torvalds <torvalds@...ux-foundation.org>:
>> On Fri, Apr 17, 2015 at 5:36 AM, Jörg Otte <jrg.otte@...il.com> wrote:
>>> The BT mouse is "death" in v4.1.
>>> The BT mouse has been working in 4.0 and previous kernels, so this
>>> is a regression.
>>
>> Any chance of bisecting it?
>>
>>               Linus
> I will try that.
>
> Thanks, Jörg

I first tried to bisect over all. But than I got an unbootable kernel.
Then I did a bisect over net/bluetooth and I get the following fist bad
commit:

5f5da99f1da5b01c7c45473a500c7dbb77a00958 is the first bad commit
commit 5f5da99f1da5b01c7c45473a500c7dbb77a00958
Author: Marcel Holtmann <marcel@...tmann.org>
Date:   Wed Apr 1 13:51:53 2015 -0700

    Bluetooth: Restrict HIDP flags to only valid ones

    The HIDP flags should be clearly restricted to valid ones. So this puts
    extra checks in place to ensure this.

    Signed-off-by: Marcel Holtmann <marcel@...tmann.org>
    Signed-off-by: Johan Hedberg <johan.hedberg@...el.com>

:040000 040000 b51ac3634c9d44f4d9df0e7f548b524954b99c76
63bfb47283609849f1b3b8f05fe61743ccddfee6 M      net


Thanks, Jörg
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