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Tue, 20 Oct 2026 23:00:42 -0700 (PDT) Received: from localhost ([2c0f:3d00:6be:8900:ce5e:9212:ea4b:f30]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c4679005594sm41116866b.76.2026.10.20.23.00.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 20 Oct 2026 23:00:41 -0700 (PDT) Date: Wed, 21 Oct 2026 09:00:37 +0300 From: Dan Carpenter To: LiuJunyuan <2058432396@qq.com> Cc: gregkh@linuxfoundation.org, linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCH] staging: axis-fifo: fix tx_fifo_depth underflow in write Message-ID: References: X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Wed, Oct 21, 2026 at 11:29:08AM +0800, LiuJunyuan wrote: > Check fifo->tx_fifo_depth before subtracting four words to avoid an > unsigned underflow when the device tree provides an invalid depth. > > Signed-off-by: LiuJunyuan <2058432396@qq.com> AI loves to make this change, but actually we trust device tree information. regards, dan carpenter