From nobody Mon May 25 07:35:45 2026 Received: from smtp.smtpout.orange.fr (smtp-77.smtpout.orange.fr [80.12.242.77]) (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 16D8C2C375A; Sat, 16 May 2026 09:17:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=80.12.242.77 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778923073; cv=none; b=jSJRL80CbcKL8FwctIw3z6OkfkR0e6+Mlk3WuiXm8Ye+FMhjAUdxB9qLoOSALtC8dE9RJzuFIsKE8ujoYZ2uNZjnYffS1vvgJIPNTr4zGyEwZ39XOStiS1PHAEFjX7fmAwJZ+tapvR/GN7G3TpT7jXf/ppLgYPXe+oiBpdw38Vk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778923073; c=relaxed/simple; bh=HgmvDRO34wayBy8VZ6meLJgKT9YIyUv7cxsiRyILNOg=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=n+JPeEHlmp6+58z0oqLOE0oMnKzZUAbqS4taOqqQlOEi4ZCXjy/syYoTGh4Rwh+7ASzkcNlEOuCrbsoSZHl9htoQYeA25t9gfVXxcSwmsv+qkFVY0lrslPTq3DMPffOqwX5hrqL16nOWmfkcuOoj67VDnA/jSQssJ3i32kRi75w= 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=UCU9R5/k; arc=none smtp.client-ip=80.12.242.77 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="UCU9R5/k" Received: from fedora.home ([IPv6:2a01:cb10:785:b00:8347:f260:7456:7662]) by smtp.orange.fr with ESMTPSA id OB9ZwnyF1DTmsOB9aw7qCa; Sat, 16 May 2026 11:17:50 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=wanadoo.fr; s=t20230301; t=1778923070; bh=62qKDa5dGrj20kJkQH0/jgHOYW8OejzKlqfIFQW9qmA=; h=From:To:Subject:Date:Message-ID:MIME-Version; b=UCU9R5/kgQt+Ua0eG5FuXkApi+fflPpvAfHfXA+mhEq6sJO4QLTBxQ2VX/jFPtQh5 XeAZGpXg0KsEQeV06WkCzWS7qsPxoUXymhVNXxapsQ4QSxcA4xIsfwjP7cLRUZ4HRe cs0JCjTvcmXCjlu9M5a/OCVszn6s3VTkERwkNZFZAOEdpASJqxz7AKA/6hLKHWIAXp 1n0gS7TwmRCDSQrMDuK+hFc50C6BelSk3cTtb5tWNQ7o5dQruerjTIQijObIzsGAet Kp2vw4heCJtKQbmAeE9Mdfnz2ElL5BVKSGK6mF9sqZkcZUADuDkgtOlwDYZwSxSmgh rbJTHoDP8TfAg== X-ME-Helo: fedora.home X-ME-Auth: Y2hyaXN0b3BoZS5qYWlsbGV0QHdhbmFkb28uZnI= X-ME-Date: Sat, 16 May 2026 11:17:50 +0200 X-ME-IP: 2a01:cb10:785:b00:8347:f260:7456:7662 From: Christophe JAILLET To: Jason Gunthorpe , Leon Romanovsky Cc: linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, Christophe JAILLET , linux-rdma@vger.kernel.org Subject: [PATCH] RDMA/cma: Constify struct configfs_item_operations and configfs_group_operations Date: Sat, 16 May 2026 11:17:47 +0200 Message-ID: <6acd9c8a79b868b5e541a7e080a6b4b145e4fd4f.1778923041.git.christophe.jaillet@wanadoo.fr> X-Mailer: git-send-email 2.54.0 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 6677 2776 64 9517 252d drivers/infiniband/core/cma_configf= s.o After: =3D=3D=3D=3D=3D text data bss dec hex filename 6901 2552 64 9517 252d drivers/infiniband/core/cma_configf= s.o Signed-off-by: Christophe JAILLET --- drivers/infiniband/core/cma_configfs.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/infiniband/core/cma_configfs.c b/drivers/infiniband/co= re/cma_configfs.c index 819927ce4f0e..891e52afb8f4 100644 --- a/drivers/infiniband/core/cma_configfs.c +++ b/drivers/infiniband/core/cma_configfs.c @@ -255,7 +255,7 @@ static void release_cma_ports_group(struct config_item = *item) cma_dev_group->ports =3D NULL; }; =20 -static struct configfs_item_operations cma_ports_item_ops =3D { +static const struct configfs_item_operations cma_ports_item_ops =3D { .release =3D release_cma_ports_group }; =20 @@ -264,7 +264,7 @@ static const struct config_item_type cma_ports_group_ty= pe =3D { .ct_owner =3D THIS_MODULE }; =20 -static struct configfs_item_operations cma_device_item_ops =3D { +static const struct configfs_item_operations cma_device_item_ops =3D { .release =3D release_cma_dev }; =20 @@ -327,7 +327,7 @@ static void drop_cma_dev(struct config_group *cgroup, s= truct config_item *item) config_item_put(item); } =20 -static struct configfs_group_operations cma_subsys_group_ops =3D { +static const struct configfs_group_operations cma_subsys_group_ops =3D { .make_group =3D make_cma_dev, .drop_item =3D drop_cma_dev, }; --=20 2.54.0