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Date:   Wed, 18 Jan 2023 10:10:44 +0100 (CET)
From:   Jiri Kosina <jikos@kernel.org>
To:     Roderick Colenbrander <roderick@gaikai.com>
cc:     Benjamin Tissoires <benjamin.tissoires@redhat.com>,
        linux-input@vger.kernel.org,
        Roderick Colenbrander <roderick.colenbrander@sony.com>,
        Alain Carlucci <alain.carlucci@gmail.com>
Subject: Re: [PATCH 2/5] HID: playstation: sanity check DualShock4 calibration
 data.
In-Reply-To: <20230106015910.3031670-3-roderick.colenbrander@sony.com>
Message-ID: <nycvar.YFH.7.76.2301181010290.1734@cbobk.fhfr.pm>
References: <20230106015910.3031670-1-roderick.colenbrander@sony.com> <20230106015910.3031670-3-roderick.colenbrander@sony.com>
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On Thu, 5 Jan 2023, Roderick Colenbrander wrote:

> Some DualShock4 devices report invalid calibration data resulting
> in kernel oopses due to division by zero during report handling.
> 
> The devices affected generally appear to be clone devices, which don't
> implement all reports properly and don't populate proper calibration
> data. The issue may have been seen on an official device with erased
> calibration reports.
> 
> This patch prevents the crashes by essentially disabling calibration
> when invalid values are detected.
> 
> Signed-off-by: Roderick Colenbrander <roderick.colenbrander@sony.com>
> Tested-by: Alain Carlucci <alain.carlucci@gmail.com>

Applied to for-6.2/upstream-fixes.

-- 
Jiri Kosina
SUSE Labs