From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) (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 2FE927F for ; Mon, 1 Aug 2022 16:51:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1659372697; x=1690908697; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=+4xX1yVvA2wu0xZxhzDmYNktoQ+T+Qf9rMWkxS3Rkfs=; b=CtqRooryGK+jDa8XnUt6eCu8X+UeVq11kF3tCArG+WFzzPfafYL3y70S 7yXk8KHyKQV4v6CV9Ng4HE6a9XHSlOUILCw4ugq4C45HO1UH5JS8wQErw +/Z5pJeS0SXJCbetK6fK7f32x8RvCt6NxtPrCnzzrS8Wqg2lPo+S3H7Up tztNIwDSte7dV7Z9tlJdDrTVkASrr43UAI5dsQuU9cislbk9vRzH3OhJ7 xXoQEnZ7U3gnm8SxD710YEb450Fo3TTy2C4ERJ0bbsEPbu08VOLQqOvnF Yp9cbWgOKjreXHn+rDfI4gmqIKZBemJ0owQ83UKT87xbRaHmS3TxKxcEq A==; X-IronPort-AV: E=McAfee;i="6400,9594,10426"; a="315023846" X-IronPort-AV: E=Sophos;i="5.93,208,1654585200"; d="scan'208";a="315023846" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Aug 2022 09:51:36 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,208,1654585200"; d="scan'208";a="577852276" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga006.jf.intel.com with ESMTP; 01 Aug 2022 09:51:33 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 77907F7; Mon, 1 Aug 2022 19:51:44 +0300 (EEST) From: Andy Shevchenko To: Joerg Roedel , Jean-Philippe Brucker , virtualization@lists.linux-foundation.org, iommu@lists.linux.dev, linux-kernel@vger.kernel.org Cc: Joerg Roedel , Will Deacon , Robin Murphy , Andy Shevchenko Subject: [PATCH v1 1/1] iommu/virtio: Do not dereference fwnode in struct device Date: Mon, 1 Aug 2022 19:51:42 +0300 Message-Id: <20220801165142.20898-1-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.35.1 Precedence: bulk X-Mailing-List: iommu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit In order to make the underneath API easier to change in the future, prevent users from dereferencing fwnode from struct device. Instead, use the specific device_match_fwnode() API for that. Signed-off-by: Andy Shevchenko --- drivers/iommu/virtio-iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iommu/virtio-iommu.c b/drivers/iommu/virtio-iommu.c index 08eeafc9529f..9fe723f55213 100644 --- a/drivers/iommu/virtio-iommu.c +++ b/drivers/iommu/virtio-iommu.c @@ -925,7 +925,7 @@ static struct virtio_driver virtio_iommu_drv; static int viommu_match_node(struct device *dev, const void *data) { - return dev->parent->fwnode == data; + return device_match_fwnode(dev->parent, data); } static struct viommu_dev *viommu_get_by_fwnode(struct fwnode_handle *fwnode) -- 2.35.1