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Wed, 11 Jun 2025 15:42:35 -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.32.2025.06.11.15.42.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 Jun 2025 15:42:34 -0700 (PDT) From: David Lechner Date: Wed, 11 Jun 2025 17:39:01 -0500 Subject: [PATCH 09/28] iio: adc: ti-ads1119: 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-v1-9-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=888; i=dlechner@baylibre.com; h=from:subject:message-id; bh=Fa5HFGJPviPDbkysR8aRcatKX4I+wowmJDzu126VxiY=; b=owEBbQGS/pANAwAKAcLMIAH/AY/AAcsmYgBoSgXAO2JaPHgSGAZdorjz1JGy3kAcpjr9Jr7g+ ungIXqOY0eJATMEAAEKAB0WIQTsGNmeYg6D1pzYaJjCzCAB/wGPwAUCaEoFwAAKCRDCzCAB/wGP wHxjB/sFWh2ELQP61fduPRox8/3+KyTM+RQlgumdT7LlO1lLAEpiFtW4X7LruzoNcg26HI9DIYM 5xMgNMPlGQDH43u5zRNeQb95sLGhX38U/gEtybJQi9OUyW5XA7GeaqKbCi0nbrZHcDXAaw653s8 Q0RMbiOeC7z6YROCPWks3b4eF5km/n+4y0RKw0Ifa3ipSc4Z7II3nQzGglfRIiER6v4xfR7JQsQ pOPPQ0zXq7qFUoYOnx0ctpg/4uipiA1WrZfArVpBS+2ma7OGrqtQKtP5I39yVCX6SdgiNFnLCg5 DI3AqiaO66yFIW4VRSNdwSecT26YAQ4pOsJLv10vRGEbzusn 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_154235_833469_D1989280 X-CRM114-Status: GOOD ( 12.36 ) 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/ti-ads1119.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/iio/adc/ti-ads1119.c b/drivers/iio/adc/ti-ads1119.c index d280c949cf476c7bcbc1e046755619ac31d97c63..d2f86e1ec65641feb3625218611fc8ca00e9f64f 100644 --- a/drivers/iio/adc/ti-ads1119.c +++ b/drivers/iio/adc/ti-ads1119.c @@ -507,12 +507,10 @@ static irqreturn_t ads1119_trigger_handler(int irq, void *private) struct { s16 sample; aligned_s64 timestamp; - } scan; + } scan = { }; unsigned int index; int ret; - memset(&scan, 0, sizeof(scan)); - if (!iio_trigger_using_own(indio_dev)) { index = find_first_bit(indio_dev->active_scan_mask, iio_get_masklength(indio_dev)); -- 2.43.0