linux-kernel - Re: [PATCH] HID: prodikeys: Check presence of pm->input

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Message-ID: <rr72r5n4-n236-2nsq-6n5p-p271296p2420@xreary.bet>
Date: Sat, 10 Jan 2026 10:28:58 +0100 (CET)
From: Jiri Kosina <jikos@...nel.org>
To: Günther Noack <gnoack@...gle.com>
cc: Benjamin Tissoires <bentiss@...nel.org>, stable@...r.kernel.org, 
    linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] HID: prodikeys: Check presence of pm->input_ep82

On Fri, 9 Jan 2026, Günther Noack wrote:

> Fake USB devices can send their own report descriptors for which the 
> input_mapping() hook does not get called.  In this case, pm->input_ep82 
> sta= ys NULL, which leads to a crash later.
> 
> This does not happen with the real device, but can be provoked by 
> imposing = as one.

Applied. thanks.

-- 
Jiri Kosina
SUSE Labs