From patchwork Wed Sep 4 01:14:34 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hongbo Li X-Patchwork-Id: 13789537 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) (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 DC68663D for ; Wed, 4 Sep 2024 01:06:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.187 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725411986; cv=none; b=F5BrPQiCNt+d8mxW9GUzsWihnXw4Q5DMgW/mDDtY0NSRoQ/SY4jtt+WStxhwujpodRrFr866z066twIOPF2ClkY5Qub3UhfAYpHf5uB6nFBNm/flfBmaKhdNmqzYGbmxrm7TmO+BXluL27kortfK/46sTnQ7YT3lJ3ecLxL4BGU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725411986; c=relaxed/simple; bh=dCzaI+VZE0wr3Mw6c7h41JriJizcQxuZuGWbEPaj7bk=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=hrznxrUV0BE8LZ3c1BBRBJc4UQiatBEFg+ShPacadnM/uX/ovhQS6g0IavsBLug4KxUCaDSx8ej+K2NVHjipKt8zS1fDF9qiDKE9aNR9SsizfpMt0W5Dfg8BhK6BMzmyMttmAOwcFMoZAYgR/FX8H0Sm9jcrIN3J/StsJRVJkWM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=45.249.212.187 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.19.163.174]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4Wz46X3JZwzyRVH; Wed, 4 Sep 2024 09:05:24 +0800 (CST) Received: from dggpeml500022.china.huawei.com (unknown [7.185.36.66]) by mail.maildlp.com (Postfix) with ESMTPS id 175CA1403D2; Wed, 4 Sep 2024 09:06:02 +0800 (CST) Received: from huawei.com (10.90.53.73) by dggpeml500022.china.huawei.com (7.185.36.66) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Wed, 4 Sep 2024 09:06:01 +0800 From: Hongbo Li To: , CC: , Subject: [PATCH -next] power: supply: Constify struct kobj_type Date: Wed, 4 Sep 2024 09:14:34 +0800 Message-ID: <20240904011434.2010118-1-lihongbo22@huawei.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To dggpeml500022.china.huawei.com (7.185.36.66) This 'struct kobj_type' is not modified. It is only used in kobject_init_and_add() which takes a 'const struct kobj_type *ktype' parameter. Constifying this structure and moving it to a read-only section, and can increase over all security. Signed-off-by: Hongbo Li --- drivers/power/supply/ab8500_fg.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/power/supply/ab8500_fg.c b/drivers/power/supply/ab8500_fg.c index 270874eeb934..a71903b1bf78 100644 --- a/drivers/power/supply/ab8500_fg.c +++ b/drivers/power/supply/ab8500_fg.c @@ -2531,7 +2531,7 @@ static struct attribute *ab8500_fg_attrs[] = { }; ATTRIBUTE_GROUPS(ab8500_fg); -static struct kobj_type ab8500_fg_ktype = { +static const struct kobj_type ab8500_fg_ktype = { .sysfs_ops = &ab8500_fg_sysfs_ops, .default_groups = ab8500_fg_groups, };