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[82.37.195.13]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-39c0b66a9d2sm14254936f8f.43.2025.04.01.07.29.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Apr 2025 07:29:47 -0700 (PDT) Date: Tue, 1 Apr 2025 15:29:45 +0100 From: Daniel Thompson To: Haoyu Li Cc: danielt@kernel.org, chenyuan0y@gmail.com, deller@gmx.de, dri-devel@lists.freedesktop.org, jani.nikula@linux.intel.com, jingoohan1@gmail.com, lee@kernel.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, robh@kernel.org, stable@vger.kernel.org, zichenxie0106@gmail.com Subject: Re: [PATCH] drivers: video: backlight: Fix NULL Pointer Dereference in backlight_device_register() Message-ID: References: <20250219122950.7416-1-lihaoyu499@gmail.com> Precedence: bulk X-Mailing-List: linux-fbdev@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: <20250219122950.7416-1-lihaoyu499@gmail.com> Hi Haoyu On Wed, Feb 19, 2025 at 08:29:50PM +0800, Haoyu Li wrote: > As per Jani and Daniel's feedback, I have updated the patch so that > the `wled->name` null check now occurs in the `wled_configure` > function, right after the `devm_kasprintf` callsite. This should > resolve the issue. I'm afraid this patch got swamped in my mailbox and I missed it. Worse, we've just been discussing and reviewing a patch for the same issue from another developer: https://lore.kernel.org/all/20250401091647.22784-1-bsdhenrymartin@gmail.com/ So, I just wanted to acknowlege the mistake. Sorry. Daniel.