From nobody Fri Oct 3 14:41:23 2025 Received: from mail-pl1-f180.google.com (mail-pl1-f180.google.com [209.85.214.180]) (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 CFFC92D5C67 for ; Sat, 30 Aug 2025 17:39:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.180 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756575564; cv=none; b=aDFJx4AuE/WnFjGfjbEwc26fNF7tDgsiEzM3ziRpyTuLA7PFaziMzyzDsg168OhZGJcJKmXfw3eJpX9lZUSYqM/pjmgAE56h0strMyQNaQQ4tYNxfLjy23M9Jv9W8AWW1B/RLvogUbYJz+iTIw+6VQe5V0DfxjnCM1NuFKyIzBQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756575564; c=relaxed/simple; bh=bRv34QZeUsGRMmbO/KM3BzFgbgNXwP5WC/xesqcskJ0=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=M761ig2Tv1YImNTQvseauxN/+619GpxLuYzQg+zkuHkYvRFEf7QYtbTGQxyWixpDIeWmdLNy6MiGex2tH9yUIvwUtJ8Qw384TelJmqIhMVvAGs/9HtxTcdOXQQOd23AFrLmHJnWgBEK8f9jk5QcFysMpQpaMSZQoDpJcfNa8TKo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=g4OyDI8z; arc=none smtp.client-ip=209.85.214.180 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="g4OyDI8z" Received: by mail-pl1-f180.google.com with SMTP id d9443c01a7336-248cd112855so6098285ad.1 for ; Sat, 30 Aug 2025 10:39:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1756575562; x=1757180362; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=ETXuVNXIq9MNAcEeVRd5xBs+jfDzG9umQE4H0ixj1/4=; b=g4OyDI8zw3k+xAmdjWV0w4EtsCarlIWdngpUTBddWM9MKY++pJpXvdYvMT1dINbJm1 ju/kTkqFZ4XqJ+BEK36K6SeBp5+vToAXY4PEbtrhCL0oGYadhogWgs4xgqWsREjbxEHh TAYILMV4PEAv47VpScc/3f8QciCOn5Uoo7D69dJslCR0zeH64aLKAe2hbZgqF1c6IUN1 nCBArcTw2Fx8d7VLbOzbQBeDikoWXDsgxU44zbXcj6Uw404GxSGmnWgAGZTNB2Va+1Dv lD8MtpY424bMRcy/wM/kEDmTazjkqkReH/wx9tt5BLrB0U6nJWCUVOxt9JJQ0VQSQNl6 s7Gw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1756575562; x=1757180362; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=ETXuVNXIq9MNAcEeVRd5xBs+jfDzG9umQE4H0ixj1/4=; b=r4mgLgPuC4/lgMqroODS83PEZuSHRkrVeYAuvFKSLrXQazRVUK1vN3MLauFDQ1oA0D JkYhr4L8gugDql8j88s2X5NbJ/MNp0LHyhjEuHOAISpedR5WGw7/lFtgP5+AChwyRVXZ ObkCOnCHvWhlt5a7ZnsY2u+NFv8ins/lPcL6BgsWtfBdeNNQ1O7lNl3DF+ZPy0sx4/l8 5OzYxx51Vl+6jRpvpHGUH+f0vGTqG2/p44Q9IT4isgDPQbkil+48HqRZ65c1cMIwitOc jWryDyjb2G8G0sLVpCKnXgCzJeqZC0IkN5ivDwKeli1FZTLZMoaRBstx/TZkoGM+foHM ohsA== X-Forwarded-Encrypted: i=1; AJvYcCURtiqEv+uI8zXRkcnrQX1ZZCxbB02+bXicGHcx1Es4scxyUGqJed7cJ9og7szRB0Isi47WsjEB31KJjFw=@vger.kernel.org X-Gm-Message-State: AOJu0YwMRjKBvSsXr0SBEREVOKjvgIGop7sp60s4kszfb5XAvMrIA/kV Z2RQdaJyjD/req2PKVjozM42xItKFeyqOra6zWVSFXQbwkiOSrTqw4m/ X-Gm-Gg: ASbGncuuZj5d4/rOF6bJdvQIRl3JUxO+zSHFYdd/X0MMUi8Dn9TxPULZ6SpD0jTZKaz uqcQu4E/S2+UHLKFT9wzVAiboUn1WEWFBRJFnLhjKf0x4aDR8WiPz7Tskri2y6GY8BG2vY1Atiq P7+EKpYvYiOhSqRS1xJcK/50AHk8atmiRM5vqnTC6JcweSyu7IjiAsta5eUYiJ4k0eQjTJjHAfl S1Wda9IjG27f8dN+GyG+S9XbILT+QIB1u1I7p2nBnQU2ZXDPDvlURpykKkRku9n+aa/DPgJg2It Q1WXAzCetOaqDR2iyNXwej9Yg4g7Mt0BX/x9cFzOrgZ4cPd5V/55NOMT3uvs8/PMKPwoYEy62YE 0t7MifJm9AVkZgsOg0Az80Ma1okApLjZX0dl0raMuVg== X-Google-Smtp-Source: AGHT+IEQMlEuh9ApetxKqLHAyWAj6WwoICnokFpZDwrZ4Vzc5kyx9IzKhufzz6cMaGBpmsh6eXQcbw== X-Received: by 2002:a05:6a20:12c6:b0:240:6243:b9ac with SMTP id adf61e73a8af0-243c8160dcfmr4346700637.0.1756575562072; Sat, 30 Aug 2025 10:39:22 -0700 (PDT) Received: from raspberrypi.flets-east.jp ([2400:4050:d860:9700:eabe:57a8:cf74:875e]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-b4cd28ad39csm5154525a12.27.2025.08.30.10.39.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 30 Aug 2025 10:39:21 -0700 (PDT) From: Masaharu Noguchi To: gregkh@linuxfoundation.org, linux-staging@lists.linux.dev Cc: vaibhav.sr@gmail.com, mgreer@animalcreek.com, johan@kernel.org, elder@kernel.org, greybus-dev@lists.linaro.org, florian.fainelli@broadcom.com, rjui@broadcom.com, sbranden@broadcom.com, bcm-kernel-feedback-list@broadcom.com, dave.stevenson@raspberrypi.com, laurent.pinchart@ideasonboard.com, hverkuil@kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Masaharu Noguchi Subject: [PATCH 2/2] staging: vc04_services: bcm2835-camera: avoid -Wformat-truncation Date: Sun, 31 Aug 2025 02:38:50 +0900 Message-Id: <20250830173850.323897-3-nogunix@gmail.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250830173850.323897-1-nogunix@gmail.com> References: <20250830173850.323897-1-nogunix@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" - Fix -Wformat-truncation in vidioc_querycap() when composing bus_info. - Use scnprintf() for the prefix and strscpy() for the remainder. Signed-off-by: Masaharu Noguchi --- .../staging/vc04_services/bcm2835-camera/bcm2835-camera.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c = b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c index fa7ea4ca4c36..c2788659af12 100644 --- a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c +++ b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c @@ -874,13 +874,14 @@ static int vidioc_querycap(struct file *file, void *p= riv, struct bcm2835_mmal_dev *dev =3D video_drvdata(file); u32 major; u32 minor; + int n; =20 vchiq_mmal_version(dev->instance, &major, &minor); =20 strscpy(cap->driver, "bcm2835 mmal", sizeof(cap->driver)); snprintf((char *)cap->card, sizeof(cap->card), "mmal service %d.%d", majo= r, minor); - - snprintf((char *)cap->bus_info, sizeof(cap->bus_info), "platform:%s", dev= ->v4l2_dev.name); + n =3D scnprintf((char *)cap->bus_info, sizeof(cap->bus_info), "platform:"= ); + strscpy((char *)cap->bus_info + n, dev->v4l2_dev.name, sizeof(cap->bus_in= fo) - n); return 0; } =20 --=20 2.39.5