From nobody Mon Feb 9 10:49:43 2026 Received: from smtp.smtpout.orange.fr (smtp-70.smtpout.orange.fr [80.12.242.70]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B600E3081A4; Mon, 29 Dec 2025 11:28:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=80.12.242.70 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767007742; cv=none; b=JIno71HHijQSzx7oihlLVXg1Uw6hVlC9c+1ApIm+J4xosQajVTAZyE4mLb5NTCMLSiL702OQNzgI3b2sF0GnXVH6yZyUVbvVgSFbppG6dq+jnkTLbvQI7Eh/hQ1aD7HRJxHEia9smBO2cag6OBI7sD7sXfa3Nsf+UCatoTRGozU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767007742; c=relaxed/simple; bh=Vrnp3+9t9QGomuqSC9z66YdxV8/FFX1/LqbUfxTILvQ=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=rpae3qpdJMN5n7bjSCmxuL/0qVlMm/pLp3LAA7C8bh+DhIpvq74QQplf99dh/xB1TkZdnU2d8hnw+f4dkfCfn/qfXw3kHhABb8j4FGgN+CqnzZSHDrLMneRbvAiZ5+ue1xC88dlcN+yX9rw/GqAg/RLzkQcCSXCiusAdD7KLDnw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=wanadoo.fr; spf=pass smtp.mailfrom=wanadoo.fr; dkim=pass (2048-bit key) header.d=wanadoo.fr header.i=@wanadoo.fr header.b=JyJqRfta; arc=none smtp.client-ip=80.12.242.70 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=wanadoo.fr Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=wanadoo.fr Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=wanadoo.fr header.i=@wanadoo.fr header.b="JyJqRfta" Received: from fedora.home ([IPv6:2a01:cb10:785:b00:8347:f260:7456:7662]) by smtp.orange.fr with ESMTPA id aBPhvRhhv36oUaBPivOmj8; Mon, 29 Dec 2025 12:27:50 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=wanadoo.fr; s=t20230301; t=1767007670; bh=as0Q48OrzNAwx7nSEc4aZL7xhVX1lYPBclH0kPM3rBg=; h=From:To:Subject:Date:Message-ID:MIME-Version; b=JyJqRftaUlo3n9FJfF/MV2RpDlWENaCX/7/ODtyl5sVLnln5WyVWcJcQ5U4ThLgPR xqXhJeTRtVtbFQEHjcVYHAf1MWQrl8zfCwPcrpQHLDZogdH6l1D9nvEJZ+d+wLXtkw UGV5rEkpBu3me9AYbwV5S8Wykt4oH9dykWCIk3RNVTWlAb6PchLuYXGOUQAo1c9q9E vebMBO0uIpIYSWgFusuWR31uGccWy6ZT/SyhS84+eXpAG/LjWvxS7TIHYYqk8ZVp6B VXjUXsjfOKIgizkyL+YzhTIXjPT1J5D8IQnrAQAo6ySVvhIYW+SZ0FiWJWZmb5LByg NPLGUowBOXeAA== X-ME-Helo: fedora.home X-ME-Auth: Y2hyaXN0b3BoZS5qYWlsbGV0QHdhbmFkb28uZnI= X-ME-Date: Mon, 29 Dec 2025 12:27:50 +0100 X-ME-IP: 2a01:cb10:785:b00:8347:f260:7456:7662 From: Christophe JAILLET To: Jonathan Cameron , David Lechner , =?UTF-8?q?Nuno=20S=C3=A1?= , Andy Shevchenko Cc: linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, Christophe JAILLET , linux-iio@vger.kernel.org Subject: [PATCH] iio: core: Constify struct configfs_item_operations and configfs_group_operations Date: Mon, 29 Dec 2025 12:27:43 +0100 Message-ID: <6f327beea525e2b96724b0b395f1105ff7ccc305.1767007641.git.christophe.jaillet@wanadoo.fr> X-Mailer: git-send-email 2.52.0 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" 'struct configfs_item_operations' and 'configfs_group_operations' are not modified in this driver. Constifying these structures moves some data to a read-only section, so increases overall security, especially when the structure holds some function pointers. On a x86_64, with allmodconfig: Before: =3D=3D=3D=3D=3D=3D text data bss dec hex filename 5037 1528 64 6629 19e5 drivers/iio/industrialio-sw-device.o 5509 1528 64 7101 1bbd drivers/iio/industrialio-sw-trigger= .o After: =3D=3D=3D=3D=3D text data bss dec hex filename 5133 1432 64 6629 19e5 drivers/iio/industrialio-sw-device.o 5605 1432 64 7101 1bbd drivers/iio/industrialio-sw-trigger= .o Signed-off-by: Christophe JAILLET --- Compile tested only. This change is possible since commits f2f36500a63b and f7f78098690d. --- drivers/iio/industrialio-sw-device.c | 2 +- drivers/iio/industrialio-sw-trigger.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/iio/industrialio-sw-device.c b/drivers/iio/industriali= o-sw-device.c index cdaf30a3f233..3582524de0b8 100644 --- a/drivers/iio/industrialio-sw-device.c +++ b/drivers/iio/industrialio-sw-device.c @@ -148,7 +148,7 @@ static void device_drop_group(struct config_group *grou= p, config_item_put(item); } =20 -static struct configfs_group_operations device_ops =3D { +static const struct configfs_group_operations device_ops =3D { .make_group =3D &device_make_group, .drop_item =3D &device_drop_group, }; diff --git a/drivers/iio/industrialio-sw-trigger.c b/drivers/iio/industrial= io-sw-trigger.c index d86a3305d9e8..334b6b10a784 100644 --- a/drivers/iio/industrialio-sw-trigger.c +++ b/drivers/iio/industrialio-sw-trigger.c @@ -152,7 +152,7 @@ static void trigger_drop_group(struct config_group *gro= up, config_item_put(item); } =20 -static struct configfs_group_operations trigger_ops =3D { +static const struct configfs_group_operations trigger_ops =3D { .make_group =3D &trigger_make_group, .drop_item =3D &trigger_drop_group, }; --=20 2.52.0