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Fri, 25 Sep 2026 18:05:23 -0700 (PDT) Date: Fri, 25 Sep 2026 18:05:20 -0700 From: Dmitry Torokhov To: Jiale Yao Cc: Hans de Goede , Neil Armstrong , Jens Reidel , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] Input: goodix_berlin - reject devices without match data Message-ID: References: <20260925133639.2229728-1-yaojiale02@163.com> Precedence: bulk X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260925133639.2229728-1-yaojiale02@163.com> Hi Jiale, On Fri, Sep 25, 2026 at 09:36:38PM +0800, Jiale Yao wrote: > A device bound through driver_override need not match an entry in the > driver tables. In that case spi_get_device_match_data() returns NULL, > but goodix_berlin_spi_probe() dereferences the result while calculating > the regmap transfer limits. We are not planning to address issues caused by incompatible writes to driver_override. This is a privileged operation. Thanks. -- Dmitry