From patchwork Wed Jul 31 19:12:51 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Rob Herring (Arm)" X-Patchwork-Id: 13749074 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 DE67B16D9A8; Wed, 31 Jul 2024 19:13:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722453238; cv=none; b=PD7xQMJbvJys5kcV4wY2qew4SLBoLFFWdP8Kd5uufYy6sgQE4HaEbZXVXSgvRlqiNU0xh9ynUg1jIdSx+/kVpkRF5IU8P2uky+fTkVQNonEqmUS9NLRq/r9BUy56n/LYvpqDRGudBreDUi6PNwKYDXYBaH5JTkTSJYcOefvQQDM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722453238; c=relaxed/simple; bh=B57o1SV3zRToqiSMqD2BRI2alnivLDeH2CgGFuQHidc=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=oxkENs3R8eXkRR3fUWTq5zcNK2uvhH7tittIOjGuAyuI3tLhIPVBKFEHRPIvIaj71pggCV86rcshvDTW3of5HbZQSjMRYPFLGd5N5GbAC7KqxBYsHFkypX9NAfBM4KxBPGgWs58jZrzZK43aiycORQdjPDcv9dYR8tGLTpd0Bwo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=poI2Or9p; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="poI2Or9p" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8BDF7C116B1; Wed, 31 Jul 2024 19:13:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1722453237; bh=B57o1SV3zRToqiSMqD2BRI2alnivLDeH2CgGFuQHidc=; h=From:To:Cc:Subject:Date:From; b=poI2Or9pnWnOvRjcRnO3MXsmCJ/rM3NeJ5kvGl7KK++OXFPKMMeJV/K7WyN1SSn2q iW/jGdbMdLhczNJDA0Ef1KZYyfyYsmAB+wdxcJfGK4i7U89wuuV71Fdv86R+hHRexB o5UyGNEkQ9H9CMNWhfCh0TtpUve91tTQUt8h/+ajAZfMDvQvpRbmOzDVxR1Wp8vgtm 4XfdhtbWLREX2Dq97dwqLiR8Qx+tvBqotYxbP2rm/LvQRSUAd/YMSo32Eyf2sTPSoM EJi+yRk6RnMVPLxc/Z9Tt1PbWo146B1R2sRnydJrLphgTdLCD61dXOJcsTBgXEwTS+ XEuG/UwBPXIIg== From: "Rob Herring (Arm)" To: Jean Delvare , Guenter Roeck , Liviu Dudau , Sudeep Holla , Lorenzo Pieralisi Cc: linux-hwmon@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] hwmon: vexpress: Use of_property_present() Date: Wed, 31 Jul 2024 13:12:51 -0600 Message-ID: <20240731191312.1710417-13-robh@kernel.org> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-hwmon@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Use of_property_present() to test for property presence rather than of_get_property(). This is part of a larger effort to remove callers of of_get_property() and similar functions. of_get_property() leaks the DT property data pointer which is a problem for dynamically allocated nodes which may be freed. Signed-off-by: Rob Herring (Arm) Reviewed-by: Sudeep Holla --- drivers/hwmon/vexpress-hwmon.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hwmon/vexpress-hwmon.c b/drivers/hwmon/vexpress-hwmon.c index d82a3b454d0e..a2e350f52a9e 100644 --- a/drivers/hwmon/vexpress-hwmon.c +++ b/drivers/hwmon/vexpress-hwmon.c @@ -72,7 +72,7 @@ static umode_t vexpress_hwmon_attr_is_visible(struct kobject *kobj, struct device_attribute, attr); if (dev_attr->show == vexpress_hwmon_label_show && - !of_get_property(dev->of_node, "label", NULL)) + !of_property_present(dev->of_node, "label")) return 0; return attr->mode;