From patchwork Thu May 20 09:21:47 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 444401 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 12DB3C433B4 for ; Thu, 20 May 2021 10:07:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E8DEB61D55 for ; Thu, 20 May 2021 10:07:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235550AbhETKJB (ORCPT ); Thu, 20 May 2021 06:09:01 -0400 Received: from mail.kernel.org ([198.145.29.99]:41926 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234962AbhETKHE (ORCPT ); Thu, 20 May 2021 06:07:04 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 01BD860240; Thu, 20 May 2021 09:41:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1621503694; bh=XEPPqUppLSubaFZoMudnOxtDnTqzOGcyIWwgCIS6aKM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=G9bTcSJiTt/OjmBUMaDZqUYNny5dbzS8/bvvrzOHcB1uTROtx/4r+dRci1zRqm/qA pzI5D7l0K7XBF57JwU72Sw6P3KM9UKAVSYWWkd6EsSr48U+sdY3RHM3uPbzYhV4i+4 XP0KUBOhBR5Lm98V/PN6ERKikW54xdvm96Et8a5Q= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, TOTE Robot , Jia-Ju Bai , Bjorn Andersson , Sasha Levin Subject: [PATCH 4.19 338/425] rpmsg: qcom_glink_native: fix error return code of qcom_glink_rx_data() Date: Thu, 20 May 2021 11:21:47 +0200 Message-Id: <20210520092142.527353817@linuxfoundation.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210520092131.308959589@linuxfoundation.org> References: <20210520092131.308959589@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Jia-Ju Bai [ Upstream commit 26594c6bbb60c6bc87e3762a86ceece57d164c66 ] When idr_find() returns NULL to intent, no error return code of qcom_glink_rx_data() is assigned. To fix this bug, ret is assigned with -ENOENT in this case. Fixes: 64f95f87920d ("rpmsg: glink: Use the local intents when receiving data") Reported-by: TOTE Robot Signed-off-by: Jia-Ju Bai Link: https://lore.kernel.org/r/20210306133624.17237-1-baijiaju1990@gmail.com Signed-off-by: Bjorn Andersson Signed-off-by: Sasha Levin --- drivers/rpmsg/qcom_glink_native.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/rpmsg/qcom_glink_native.c b/drivers/rpmsg/qcom_glink_native.c index a755f85686e5..8fa0f0eaaf43 100644 --- a/drivers/rpmsg/qcom_glink_native.c +++ b/drivers/rpmsg/qcom_glink_native.c @@ -857,6 +857,7 @@ static int qcom_glink_rx_data(struct qcom_glink *glink, size_t avail) dev_err(glink->dev, "no intent found for channel %s intent %d", channel->name, liid); + ret = -ENOENT; goto advance_rx; } }