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Wed, 11 Jun 2025 15:42:54 -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.32.2025.06.11.15.42.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 Jun 2025 15:42:53 -0700 (PDT) From: David Lechner Date: Wed, 11 Jun 2025 17:39:11 -0500 Subject: [PATCH 19/28] iio: light: ltr501: 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-v1-19-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=912; i=dlechner@baylibre.com; h=from:subject:message-id; bh=gCWBhc3n+k0rOzdOzNEkxMDkk/9qdZ4NyBLN5i838X4=; b=owEBbQGS/pANAwAKAcLMIAH/AY/AAcsmYgBoSgYBVhD9q4Dm7oGQ6HylErBkZw8NPS9LtGnpg QcqtFQcxeCJATMEAAEKAB0WIQTsGNmeYg6D1pzYaJjCzCAB/wGPwAUCaEoGAQAKCRDCzCAB/wGP wNsdCACOa3y5zsZO5jRJ6TXkHQFX74S3Nr/9bVgpmLdGxld4Z+7+JIvhiis7hU/SPgSfaXy1HEh ktDMqm+R/k9m6uW1HuOC7FUOZJLVTDEKAKUxRNRhp4bfH2LUFh/G/3GgfwO9f8PoXq/NmULXpda 7A1aG/YSYU2eMZZHKx2FjIlroUI+Q0DIRxoJJRuaC+0ZUZnQcDdRFGU+SUR6ZUAwal16z0jOcSF j9VebgtqFrmJs6emiKebaukDj4wXBej4ZpE+d+H8FqpWL6gldFBpIJFLejRYOTZaFfnP4LO0Eri JrZp1IDGBtR97RjR801xEzHW4QUVCM5l/UjRUFcCLscdfHuy 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_154254_801119_9DFC37F5 X-CRM114-Status: GOOD ( 12.57 ) 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/light/ltr501.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/iio/light/ltr501.c b/drivers/iio/light/ltr501.c index db0cc3642bd8010358de8515c24337d7385bce38..c14767472fbe8620ad59c8417d2ceff14f9485a6 100644 --- a/drivers/iio/light/ltr501.c +++ b/drivers/iio/light/ltr501.c @@ -1279,14 +1279,12 @@ static irqreturn_t ltr501_trigger_handler(int irq, void *p) struct { u16 channels[3]; aligned_s64 ts; - } scan; + } scan = { }; __le16 als_buf[2]; u8 mask = 0; int j = 0; int ret, psdata; - memset(&scan, 0, sizeof(scan)); - /* figure out which data needs to be ready */ if (test_bit(0, indio_dev->active_scan_mask) || test_bit(1, indio_dev->active_scan_mask)) -- 2.43.0