From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CD6F7C43334 for ; Thu, 7 Jul 2022 03:18:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234837AbiGGDSe (ORCPT ); Wed, 6 Jul 2022 23:18:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45400 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234115AbiGGDSc (ORCPT ); Wed, 6 Jul 2022 23:18:32 -0400 Received: from unicom146.biz-email.net (unicom146.biz-email.net [210.51.26.146]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0DC26F37 for ; Wed, 6 Jul 2022 20:18:26 -0700 (PDT) Received: from ([60.208.111.195]) by unicom146.biz-email.net ((D)) with ASMTP (SSL) id BAZ00020; Thu, 07 Jul 2022 11:18:20 +0800 Received: from localhost.localdomain (10.200.104.97) by jtjnmail201608.home.langchao.com (10.100.2.8) with Microsoft SMTP Server id 15.1.2507.9; Thu, 7 Jul 2022 11:18:21 +0800 From: Bo Liu To: , CC: , , Bo Liu Subject: [PATCH] virtio: Check dev_set_name() return value Date: Wed, 6 Jul 2022 23:17:51 -0400 Message-ID: <20220707031751.4802-1-liubo03@inspur.com> X-Mailer: git-send-email 2.18.2 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.200.104.97] tUid: 20227071118208ceba2ca8c27dba11c9cd9e0884f25ed X-Abuse-Reports-To: service@corp-email.com Abuse-Reports-To: service@corp-email.com X-Complaints-To: service@corp-email.com X-Report-Abuse-To: service@corp-email.com Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org It's possible that dev_set_name() returns -ENOMEM, catch and handle this. Signed-off-by: Bo Liu --- drivers/virtio/virtio.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index 7deeed30d1f3..ddd4466da83b 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -428,7 +428,9 @@ int register_virtio_device(struct virtio_device *dev) goto out; dev->index = err; - dev_set_name(&dev->dev, "virtio%u", dev->index); + err = dev_set_name(&dev->dev, "virtio%u", dev->index); + if (err) + goto out_ida_remove; err = virtio_device_of_init(dev); if (err) -- 2.27.0