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[23.88.128.2]) by smtp.gmail.com with ESMTPSA id 5614622812f47-4865b5a5a64sm17105048b6e.4.2026.06.09.15.13.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Jun 2026 15:13:05 -0700 (PDT) Date: Tue, 9 Jun 2026 17:13:02 -0500 From: Maxwell Doose To: Rodrigo Alencar via B4 Relay Cc: rodrigo.alencar@analog.com, Michael Auchter , linux@analog.com, linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org, Michael Hennerich , Jonathan Cameron , David Lechner , Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Philipp Zabel , Kees Cook , "Gustavo A. R. Silva" Subject: Re: [PATCH v2 11/12] iio: dac: ad5686: write_raw: use guard(mutex)() Message-ID: <20260609171302.5764edb2@linuxescape> In-Reply-To: <20260609-ad5686-new-features-v2-11-70b423f5c76d@analog.com> References: <20260609-ad5686-new-features-v2-0-70b423f5c76d@analog.com> <20260609-ad5686-new-features-v2-11-70b423f5c76d@analog.com> X-Mailer: Claws Mail 4.4.0 (GTK 3.24.52; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-hardening@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Tue, 09 Jun 2026 11:13:06 +0100 Rodrigo Alencar via B4 Relay wrote: > From: Rodrigo Alencar > > Use guarded mutex lock to facilitate code review when adding new > attributes. This will allow for early returns, avoiding error-prone > locking and unlocking in error paths. Gain-control support will add > the scale attribute. > > Signed-off-by: Rodrigo Alencar > --- > drivers/iio/dac/ad5686.c | 14 +++++--------- > 1 file changed, 5 insertions(+), 9 deletions(-) > I agree with Joshua on this, linux/cleanup.h should definitely be included. However I don't think sending a v3 is worth the trouble (Jonathan may tweak while applying but I wouldn't count on it), so with or without: Reviewed-by: Maxwell Doose -- best regards, max