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Date: Fri, 17 Apr 2015 18:43:03 +0200
Message-ID: <CADDKRnBiB+z2iMc+04ZzntRkGhVW5isNQ+sLt-UVPg3mo+Q7jg@mail.gmail.com>
Subject: Re: [V4.1] Regression: Bluetooth mouse not working.
From: =?UTF-8?Q?J=C3=B6rg_Otte?= <jrg.otte@gmail.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Marcel Holtmann <marcel@holtmann.org>, Gustavo Padovan <gustavo@padovan.org>,
	Johan Hedberg <johan.hedberg@gmail.com>,
	"bluez mailin list (linux-bluetooth@vger.kernel.org)" <linux-bluetooth@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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List-ID: <linux-bluetooth.vger.kernel.org>

2015-04-17 16:51 GMT+02:00 J=C3=B6rg Otte <jrg.otte@gmail.com>:
> 2015-04-17 15:44 GMT+02:00 Linus Torvalds <torvalds@linux-foundation.org>=
:
>> On Fri, Apr 17, 2015 at 5:36 AM, J=C3=B6rg Otte <jrg.otte@gmail.com> wro=
te:
>>> 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, J=C3=B6rg

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@holtmann.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@holtmann.org>
    Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>

:040000 040000 b51ac3634c9d44f4d9df0e7f548b524954b99c76
63bfb47283609849f1b3b8f05fe61743ccddfee6 M      net


Thanks, J=C3=B6rg