From patchwork Mon Dec 6 19:07:58 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnaud POULIQUEN X-Patchwork-Id: 12659563 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 233FFC433EF for ; Mon, 6 Dec 2021 19:08:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243762AbhLFTLn (ORCPT ); Mon, 6 Dec 2021 14:11:43 -0500 Received: from mx07-00178001.pphosted.com ([185.132.182.106]:42956 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242725AbhLFTLn (ORCPT ); Mon, 6 Dec 2021 14:11:43 -0500 Received: from pps.filterd (m0288072.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.1.2/8.16.1.2) with ESMTP id 1B6F9w3n003232; Mon, 6 Dec 2021 20:08:12 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h=from : to : cc : subject : date : message-id : mime-version : content-type; s=selector1; bh=3pk5K2bLOEaobNBUebhHMo5aHf9XY7QA5+jodg260G4=; b=uLwf6R7SN24/NQ4zuHAw4/p51jlY8ZO6kNYx+H1TGEKUHZEYkTbXFLyeouwpI2yqshuq 2+YZ2ytvo2ug3ULyr9qwng2PT16CNq0R8MLG1vgN35pSrwjT7KVLI0w1vAQitX1sQRX2 BWiehA76Y+Qbz6oMnrekOcCKdBc6Ev4Y3LAOI5DEVR5JGKaTXXe9tRk+FMA7awlraxpL uF26C8gFBsj3KEHBb0vDHVh6Ly3p3pz8RPvLcq7jvoccvAPUU1faF7fJHCNr6wfYTaLd N/QNysd/BCbgWtF+pH6qr3h/ZjiK6WCwvqXxhEfGSqwnow9EVw3dfggf1oBpLecpI9HF 1Q== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com (PPS) with ESMTPS id 3csmx0h0bu-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 06 Dec 2021 20:08:11 +0100 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 7391010002A; Mon, 6 Dec 2021 20:08:10 +0100 (CET) Received: from Webmail-eu.st.com (sfhdag2node2.st.com [10.75.127.5]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id E7334212FC4; Mon, 6 Dec 2021 20:08:10 +0100 (CET) Received: from localhost (10.75.127.51) by SFHDAG2NODE2.st.com (10.75.127.5) with Microsoft SMTP Server (TLS) id 15.0.1497.26; Mon, 6 Dec 2021 20:08:10 +0100 From: Arnaud Pouliquen To: Bjorn Andersson , Mathieu Poirier CC: , , , Subject: [PATCH] rpmsg: core: Clean up resources on announce_create failure. Date: Mon, 6 Dec 2021 20:07:58 +0100 Message-ID: <20211206190758.10004-1-arnaud.pouliquen@foss.st.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-Originating-IP: [10.75.127.51] X-ClientProxiedBy: SFHDAG2NODE1.st.com (10.75.127.4) To SFHDAG2NODE2.st.com (10.75.127.5) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.790,Hydra:6.0.425,FMLib:17.11.62.513 definitions=2021-12-06_07,2021-12-06_02,2021-12-02_01 Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org During the rpmsg_dev_probe, if rpdev->ops->announce_create returns an error, the rpmsg device and default endpoint should be freed before exiting the function. Fixes: 5e619b48677c ("rpmsg: Split rpmsg core and virtio backend") Suggested-by: Bjorn Andersson Signed-off-by: Arnaud Pouliquen Reviewed-by: Bjorn Andersson --- drivers/rpmsg/rpmsg_core.c | 20 ++++++++++++++++---- 1 file changed, 16 insertions(+), 4 deletions(-) diff --git a/drivers/rpmsg/rpmsg_core.c b/drivers/rpmsg/rpmsg_core.c index 27aad6baf7c5..12d7b7c6e5f9 100644 --- a/drivers/rpmsg/rpmsg_core.c +++ b/drivers/rpmsg/rpmsg_core.c @@ -612,13 +612,25 @@ static int rpmsg_dev_probe(struct device *dev) err = rpdrv->probe(rpdev); if (err) { dev_err(dev, "%s: failed: %d\n", __func__, err); - if (ept) - rpmsg_destroy_ept(ept); - goto out; + goto destroy_ept; } - if (ept && rpdev->ops->announce_create) + if (ept && rpdev->ops->announce_create) { err = rpdev->ops->announce_create(rpdev); + if (err) { + dev_err(dev, "failed to announce creation\n"); + goto remove_rpdev; + } + } + + return 0; + +remove_rpdev: + if (rpdrv->remove) + rpdrv->remove(rpdev); +destroy_ept: + if (ept) + rpmsg_destroy_ept(ept); out: return err; }