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Wed, 11 Jun 2025 15:42:45 -0700 (PDT) From: David Lechner Date: Wed, 11 Jun 2025 17:39:07 -0500 Subject: [PATCH 15/28] iio: dac: ad3552r: use = { } instead of memset() Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250611-iio-zero-init-stack-with-instead-of-memset-v1-15-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=915; i=dlechner@baylibre.com; h=from:subject:message-id; bh=UJXbN0f/Sc264QMDW6dBftvYOYfvz10QBoW4bFVFUX4=; b=owEBbQGS/pANAwAKAcLMIAH/AY/AAcsmYgBoSgXmmJnXqBUX52BnBQ8vdrjyxdthhoLPWdbRL R+WVVgUfXeJATMEAAEKAB0WIQTsGNmeYg6D1pzYaJjCzCAB/wGPwAUCaEoF5gAKCRDCzCAB/wGP wAHpB/9uvsuwsxPRCNHjRwNuY0qyeu9AO2EJoyNvSVzZWpvJJXh6el4lDtmSOYf7BNiSzxoL7GH ZA9fAXagxB/cnJd0lWxqHu6IllSBT9tS7KDugmBh+2loJ450FcplnrPuRlzFJx5QRs7XWieNUFB MXxCk/XXt6zIf+oAV23jZWywwUtyAzZ6IAh9PIHNdcMrm/xyZ/gKGv3UMTkLdL5rp5SJBwxh4cc 00NEmMDVhDI8758T0v6AVJa5hRW1epfYSYXca9HF6od0VNpE0B2edgAefLgFuwdtJeZH/7Ms8qJ Qcdf79QFtQZEJjej/ETfZd9QxjJxo8qX5fR8v+r3taHVCkrk X-Developer-Key: i=dlechner@baylibre.com; a=openpgp; fpr=8A73D82A6A1F509907F373881F8AF88C82F77C03 Use { } instead of memset() to zero-initialize stack memory to simplify the code. Signed-off-by: David Lechner --- drivers/iio/dac/ad3552r.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/iio/dac/ad3552r.c b/drivers/iio/dac/ad3552r.c index a44b163f318315cec179aa2ac9d66883a327ebb9..93c33bc3e1be438c2e10c1ca990= d8046ba87c9d0 100644 --- a/drivers/iio/dac/ad3552r.c +++ b/drivers/iio/dac/ad3552r.c @@ -293,10 +293,9 @@ static irqreturn_t ad3552r_trigger_handler(int irq, vo= id *p) struct iio_buffer *buf =3D indio_dev->buffer; struct ad3552r_desc *dac =3D iio_priv(indio_dev); /* Maximum size of a scan */ - u8 buff[AD3552R_MAX_CH * AD3552R_MAX_REG_SIZE]; + u8 buff[AD3552R_MAX_CH * AD3552R_MAX_REG_SIZE] =3D { }; int err; =20 - memset(buff, 0, sizeof(buff)); err =3D iio_pop_from_buffer(buf, buff); if (err) goto end; --=20 2.43.0