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Wed, 11 Jun 2025 15:42:27 -0700 (PDT) Received: from [127.0.1.1] ([2600:8803:e7e4:1d00:4753:719f:673f:547c]) by smtp.gmail.com with ESMTPSA id 5614622812f47-40a682fbf05sm24684b6e.32.2025.06.11.15.42.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 Jun 2025 15:42:27 -0700 (PDT) From: David Lechner Date: Wed, 11 Jun 2025 17:38:58 -0500 Subject: [PATCH 06/28] iio: adc: rtq6056: use = { } instead of memset() MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250611-iio-zero-init-stack-with-instead-of-memset-v1-6-ebb2d0a24302@baylibre.com> References: <20250611-iio-zero-init-stack-with-instead-of-memset-v1-0-ebb2d0a24302@baylibre.com> In-Reply-To: <20250611-iio-zero-init-stack-with-instead-of-memset-v1-0-ebb2d0a24302@baylibre.com> To: Michael Hennerich , Lars-Peter Clausen , Jonathan Cameron , =?utf-8?q?Nuno_S=C3=A1?= , Andy Shevchenko , Matthias Brugger , AngeloGioacchino Del Regno , Heiko Stuebner , Maxime Coquelin , Alexandre Torgue , Francesco Dolcini , =?utf-8?q?Jo=C3=A3o_Paulo_Gon=C3=A7alves?= , =?utf-8?q?Leonard_G=C3=B6hrs?= , kernel@pengutronix.de, Oleksij Rempel , Roan van Dijk , Tomasz Duszynski , Jacopo Mondi , Jean-Baptiste Maneyrol , Mudit Sharma , Javier Carrasco , =?utf-8?q?Ond=C5=99ej_Jirman?= , Andreas Klinger , Petre Rodan Cc: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com, David Lechner X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=839; i=dlechner@baylibre.com; h=from:subject:message-id; bh=J89vMIrnHas95b9IQRpMB3abmxVy58q4+X2PR5Kxrzs=; b=owEBbQGS/pANAwAKAcLMIAH/AY/AAcsmYgBoSgWrluEPstsE3vfOa2602G4vDUiURfJwcuPmj Ecdin91id+JATMEAAEKAB0WIQTsGNmeYg6D1pzYaJjCzCAB/wGPwAUCaEoFqwAKCRDCzCAB/wGP wPDzB/0ezOPNIM1GcdwSJUtoBdBzF+of4mq74dFA0f4iCvbOvAC9fCmCzg5hxL69oaeNJIKLKNN hwYn4bwrsFDn7hpTk4oxy+0yhbNBF3FS9rqxNmkw5sq+imc+Bge3o9MlimTvdYjRFeWz1olLBsK RujuQh/8d+BqbeBkJy6HGkvMCcyYr4HMiR32pZxq3ktZX1yG2QbvAfaGvOtFKtCjsFCh+x/0Tk1 JzzUKytVoQDoqN/jeT+fEIYsymB+ELqIGIQ5jEtG2AOnEQdDR4Q/i73QIQnRhDjaJw/RzxhYyeY LG1BSqJLLtf/Qqw+97BIE+EwDDmTTolk2qkEpoqaZjPnMzDK X-Developer-Key: i=dlechner@baylibre.com; a=openpgp; fpr=8A73D82A6A1F509907F373881F8AF88C82F77C03 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250611_154228_281523_B2A5E582 X-CRM114-Status: GOOD ( 12.44 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Use { } instead of memset() to zero-initialize stack memory to simplify the code. Signed-off-by: David Lechner --- drivers/iio/adc/rtq6056.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/iio/adc/rtq6056.c b/drivers/iio/adc/rtq6056.c index 6ff47415a2221436b1fd548aa0bc070ba5fbb774..ad9738228b7f2db3f3b6cfc01fd97e43b579b687 100644 --- a/drivers/iio/adc/rtq6056.c +++ b/drivers/iio/adc/rtq6056.c @@ -645,12 +645,10 @@ static irqreturn_t rtq6056_buffer_trigger_handler(int irq, void *p) struct { u16 vals[RTQ6056_MAX_CHANNEL]; aligned_s64 timestamp; - } data; + } data = { }; unsigned int raw; int i = 0, bit, ret; - memset(&data, 0, sizeof(data)); - pm_runtime_get_sync(dev); iio_for_each_active_channel(indio_dev, bit) { -- 2.43.0