From nobody Sat Oct 11 04:32:33 2025 Received: from mail-oi1-f181.google.com (mail-oi1-f181.google.com [209.85.167.181]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E8C092652A9 for ; Wed, 11 Jun 2025 22:42:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.181 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749681776; cv=none; b=fHgfRWQzoGDUUEdz+OfZ8NwKaF3HnjSKH1jJAHwnya90Y1iZO1+GLTP5ENKcqUnW1KX4g7a0EkhvyEaKx26Ul26VE5IKiZz2ns6m8Lkke+PMjflQfjQVGfoD6QDNEw2fLou+196Q8s++/7oKwAzGgWiBdDNPBAvXry7USryd9NI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749681776; c=relaxed/simple; bh=gCWBhc3n+k0rOzdOzNEkxMDkk/9qdZ4NyBLN5i838X4=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=OUyFfT687rp5gjWUJV6uJrDjR/xT60YbTGyuU3NvZQKkbGjEq1IjRipzvLTtZTnm3nLhH/pFXIH/hLqYZIQiboJIiqzNEIbEqxIBiBai/XjnpgUqjShYl1HzS3qtiaiXWj5nWxfY1bArkoEaeDw+31aPvR/JBINv1KQsxUHtabU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com; spf=pass smtp.mailfrom=baylibre.com; dkim=pass (2048-bit key) header.d=baylibre-com.20230601.gappssmtp.com header.i=@baylibre-com.20230601.gappssmtp.com header.b=WbwPIEBQ; arc=none smtp.client-ip=209.85.167.181 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=baylibre.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=baylibre-com.20230601.gappssmtp.com header.i=@baylibre-com.20230601.gappssmtp.com header.b="WbwPIEBQ" Received: by mail-oi1-f181.google.com with SMTP id 5614622812f47-407a6c6a6d4so131144b6e.1 for ; Wed, 11 Jun 2025 15:42:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20230601.gappssmtp.com; s=20230601; t=1749681774; x=1750286574; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=0GqXAUC5ztniIogZLpwpNEvpFvqt5l5bmngIYMTHsoc=; b=WbwPIEBQOjtAMp98yMv0P3Moc+gaNX+fMi9pO+1VepDERLHo1zUFwYfrxZA43j9kuu uT8zH3/wsFwlfJufdheu6lGRB99o6HtFqLpN8f4O+9wbScdnmGe52L8w+M3eSd85mua6 Lwvm7DMaxmAiUZBMXJ93Q9htL2yXZcYHRd7/VwwcLc21oN5S8qlPztUCfCO6wLREP0pu GKuwmzpWKo1uJt61lym2M63hFtLj4Ag8Pfzblg3MIbzBDMkpreWAnAG70JpfYzxjhWiT gvzdPYJ22hTXgDkQUXrU7yFBA8ry5JMwVuphx/+9fx1nPsxmE8q8VLOCT3n+jI+NZFtN SZIQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1749681774; x=1750286574; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=0GqXAUC5ztniIogZLpwpNEvpFvqt5l5bmngIYMTHsoc=; b=VqLoyoXSn3+qiYgMNTkt0oT8iWNzx9t6MqtL7+ndYZImElIIk+R1ixiTNJDvreFmeX 9eC+p4TQyHDwAUcACuYGK9d7JfQti3jlp+X7MHAUsAsQ5O7YtvIuEFJjcpPxLI8AZKP8 VZxwZ5xdUCTi7Wvav2mijwphLRVso4RyPZWbJwHmWR5yYPaFj9evqToIM0HJFmK3wTW+ GU1lAidgKxmJ0h/0I2JOThz6zrLT2kVa+2EuSGD/MJKyRYoBRWfw/ELVWfKbJ6x6SQME Qe8vf82aqLrzo3InfsukeMYsdvPfKA3cHBgsPPm/w8nM+4JBXoLEdZnLGbSxRSZ7Mpkn 5pdg== X-Forwarded-Encrypted: i=1; AJvYcCXaSJ1+WMiJf0KqfTHzX9hnVR7EU9jAOr+9Wg72GEPeAJWUEgpkG4KiBc37VmUxEZphRxj/nlLHgSc3nzk=@vger.kernel.org X-Gm-Message-State: AOJu0YxiiOnq/6JCiaTJWUcOFXxISHuO316EakfAd/zcdqXu4Mb2x9Jd bXAnD3pkY73qYCA8OCZrgOyo5A3Lbgfdef2gelnV2/QNBvAJQ3GnR8qFzKafKgB5PXU= X-Gm-Gg: ASbGnctGtgU82xGJyu0u1lExzcqd8NRhRoqNJMlH2NS2SGsa1nYj4SNde+L/SQrJqgp IzIv0FhcyOBmKmS5maqRipCjgbStqLKN8p0HyJ3odGV6SXrLQUN9pjsW/UM/kGqWNj38IJpl/oL TSnEjzL9/O8YUyvm+/YT8HTG5taF/gxOi6DQhnJgNnWGwcYYJgvGSA5HbhupASquWvPpvTv1vPj 6cJxrwWhBLiGlQBjgbMYHYjqT3YyGcmWZGxQQ97zZYE7Ucxt7WVbcXeMy0FHpVCSsiWwNEeYntx Yqm9ZdUo0vWiijwiaAOWFH+LMdGrU+0TuqBrSVbYOD5016eCFbUvN+qIJ2Z0lUnOhJHh X-Google-Smtp-Source: AGHT+IEno7iivJ7V9DJ4jS9BfN9qMtC3Kbpn1hoqPd/0X7I8V1hxaDUFP1SUYvG7cJTjWfN6V3+JZg== X-Received: by 2002:a05:6808:1a10:b0:406:6fd3:ff13 with SMTP id 5614622812f47-40a5d127d4amr3587773b6e.25.1749681774060; 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() 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-v1-19-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 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..c14767472fbe8620ad59c8417d2= ceff14f9485a6 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 =3D { }; __le16 als_buf[2]; u8 mask =3D 0; int j =3D 0; int ret, psdata; =20 - 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)) --=20 2.43.0