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[95.239.230.248]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4a17f493761sm224950695e9.2.2026.10.08.06.55.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Oct 2026 06:55:57 -0700 (PDT) From: Nicola Fiorillo To: Sakari Ailus Cc: Mauro Carvalho Chehab , Hans Verkuil , Laurent Pinchart , Nguyen Ngoc Thang , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, nicfio@gmail.com Subject: Re: [PATCH v3 2/2] media: v4l2-subdev: Fix NULL pointer dereference in the EXT_CTRLS ioctls Date: Thu, 08 Oct 2026 15:55:55 +0200 Message-ID: <179146775576.53729.7241687195832895526@gmail.com> In-Reply-To: References: <20261008042600.275884-1-nicfio@gmail.com> <20261008042600.275884-3-nicfio@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Hi Sakari, On Thu, Oct 08, 2026 at 01:44:07PM +0300, Sakari Ailus wrote: > Unregistering a sub-device node isn't doable safely currently. Addressing > this properly requires much more than this patch does, and also I'm afraid > this patch isn't part of properly addressing this either. Understood. As I wrote to Laurent earlier today, I have withdrawn the whole series: both patches only narrow the window, and the real issue is the lifetime of the objects, not something more checks in the file operations can fix. Thank you and Laurent for taking the time to review it. Thanks, Nicola