From nobody Mon Feb 9 15:11:11 2026 Received: from todd.t-8ch.de (todd.t-8ch.de [159.69.126.157]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6F0F51DC9AA for ; Sat, 25 Jan 2025 10:12:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.69.126.157 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737799939; cv=none; b=hVuAtRSfqt8HWp3XbPwXq9rsI7O2QFuq9PDmg1QyLgtxoFJMRprf5B5qJQSJ5jJ13YB5eRukRwrZAxDx0AUB3XXRgty4DfH/2BTUA60xYSQ2Ez61+Ee0wSIxgaLnm8LXGUlTNZj+B+QEkTrUX/UfCeC3r5Vi6Ny5m9P65zyCWZI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737799939; c=relaxed/simple; bh=kCNR6pIhjXK2PHPxELTg1BRLjUTLdn5/CmwUWvceKbQ=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=SllioDZ1LVzVka/JGYl+LTAozWbEUB0K+oX5hRD955EX5Mqln6z32pk7mWURekpTYrNNbyQqkgGsnXtS+iPKaCY31Ww1KMR3tuFioj1BroHgRRpV04mODXUh4ppYJhZLsX7BezirmVtFHC4FlC7VL4MIApRJkl73kAQXA9hvmjY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=weissschuh.net; spf=pass smtp.mailfrom=weissschuh.net; dkim=pass (1024-bit key) header.d=weissschuh.net header.i=@weissschuh.net header.b=mRsL25TP; arc=none smtp.client-ip=159.69.126.157 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=weissschuh.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=weissschuh.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=weissschuh.net header.i=@weissschuh.net header.b="mRsL25TP" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=weissschuh.net; s=mail; t=1737799935; bh=kCNR6pIhjXK2PHPxELTg1BRLjUTLdn5/CmwUWvceKbQ=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=mRsL25TP0BHjbNWmGZ4f/cVD1lgSk4rj+DJRopAZ1G5YrGHFRw6Pdmzq5jpqRlcCS ZQI5ZVRCYgWigXcPw1pvgBILYKthjnCRHcv6KNT2DeAJJIHUOW7JhqiXxn1INH4U+U EVX6Jhwvgk7c7cmufP8+Our4HCh9Y/RSe2YFTMLg= From: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= Date: Sat, 25 Jan 2025 11:12:14 +0100 Subject: [PATCH v2 1/3] firmware: dmi: Mark bin_attributes as __ro_after_init 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: <20250125-sysfs-const-bin_attr-dmi-v2-1-ece1895936f4@weissschuh.net> References: <20250125-sysfs-const-bin_attr-dmi-v2-0-ece1895936f4@weissschuh.net> In-Reply-To: <20250125-sysfs-const-bin_attr-dmi-v2-0-ece1895936f4@weissschuh.net> To: Jean Delvare Cc: linux-kernel@vger.kernel.org, =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1737799934; l=921; i=linux@weissschuh.net; s=20221212; h=from:subject:message-id; bh=kCNR6pIhjXK2PHPxELTg1BRLjUTLdn5/CmwUWvceKbQ=; b=KbNgEDotUkmGTctFOyZs4pxLI9FlP562s22MwsLrLWzqjmidjBdVNNsMOUbuPP8NNqwSU7d2f 9HuwCyF04JODLhbLD8x/yrLDtIcHEelnwmMgYU/ZvIKFuwjKgC6f6/a X-Developer-Key: i=linux@weissschuh.net; a=ed25519; pk=KcycQgFPX2wGR5azS7RhpBqedglOZVgRPfdFSPB1LNw= The attributes are only modified during the __init phase. Protect them against accidental or intentional modifications afterwards. Signed-off-by: Thomas Wei=C3=9Fschuh --- drivers/firmware/dmi_scan.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c index fde0656481cc9577b05b781b703a8071e8d3fc4e..70d39adf50dcaaa7c99b48fe8e9= 045af5ea24d00 100644 --- a/drivers/firmware/dmi_scan.c +++ b/drivers/firmware/dmi_scan.c @@ -761,8 +761,8 @@ static void __init dmi_scan_machine(void) pr_info("DMI not present or invalid.\n"); } =20 -static BIN_ATTR_SIMPLE_ADMIN_RO(smbios_entry_point); -static BIN_ATTR_SIMPLE_ADMIN_RO(DMI); +static __ro_after_init BIN_ATTR_SIMPLE_ADMIN_RO(smbios_entry_point); +static __ro_after_init BIN_ATTR_SIMPLE_ADMIN_RO(DMI); =20 static int __init dmi_init(void) { --=20 2.48.1