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Fri, 2 Oct 2026 09:40:55 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ThreadId: ARQvA_lNeCZZ Date: Fri, 02 Oct 2026 15:40:25 +0200 From: "Arnd Bergmann" To: "Andy Shevchenko" , "Nathan Chancellor" Cc: cdcp206@gmail.com, =?UTF-8?Q?Nuno_S=C3=A1?= , "Jonathan Cameron" , "Arnd Bergmann" , "David Lechner" , "Andy Shevchenko" , "Liviu Stan" , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, "kernel test robot" Message-Id: <732d7dfd-172b-46ed-94c8-1c550cc682ce@app.fastmail.com> In-Reply-To: References: <20260929-iio-ltc2983-fix-string-compare-v1-1-d67d612d6ddd@gmail.com> <20260930150336.GC3142230@ax162> Subject: Re: [PATCH] iio: temperature: ltc2983: avoid string comparison for leak detector Content-Type: text/plain Content-Transfer-Encoding: 7bit On Fri, Oct 2, 2026, at 15:32, Andy Shevchenko wrote: > On Wed, Sep 30, 2026 at 05:03:36PM +0200, Nathan Chancellor wrote: >> On Wed, Sep 30, 2026 at 12:52:16PM +0300, Andy Shevchenko wrote: >> > Hmm... I consider that the compiler warning is just a noise which we should >> > ignore or disable. It's doubtfully useful as if it may prove the always false >> > or always true cases, it doesn't mean there won't be other cases in the future. >> > Do we have any discussion on that warning before? >> >> I don't think there has been a discussion around -Wstring-compare >> before. Unfortunately, it seems like clang's -Wstring-compare is >> different from GCC's -Wstring-compare. clang's is basically a subwarning >> in GCC's -Waddress and GCC's -Wstring-compare does not really have an >> equivalent in clang proper (it seems like it might be a clang-tidy >> check IIUC?): It's unfortunate that they do different things, but both warnings seem useful to me. I certainly wouldn't turn it off after a single false-positive. Arnd