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 X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,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 B1EBCC43381 for ; Mon, 1 Apr 2019 17:32:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 84D1821904 for ; Mon, 1 Apr 2019 17:32:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1554139931; bh=ZumLN7bwEFBVn9Ncj9uA97GlaSgNwSM7Cv/9klWOzms=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=PxvXXoNiOCCu6XeXmSnnJTI+sFI8iZDsFHYSgB5PA0O8SmiTRJFqSyHUsfox+x5VJ QTvV1lvsbb2tfVPJRlCTgFF/gdhqCKlvw9NFKQWJzkG7RFOLDN4jU8zHSTo0LtYCVJ fZkeT+fF3aYqTp+kyf7ZcgI9doam/UcgmPJVFvTI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387453AbfDARcK (ORCPT ); Mon, 1 Apr 2019 13:32:10 -0400 Received: from mail.kernel.org ([198.145.29.99]:40050 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733169AbfDARcI (ORCPT ); Mon, 1 Apr 2019 13:32:08 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 387CA21900; Mon, 1 Apr 2019 17:32:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1554139927; bh=ZumLN7bwEFBVn9Ncj9uA97GlaSgNwSM7Cv/9klWOzms=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JcQq+UY1MBs2PtAfzF7RHLrNC/WwI5OSzunmZnZB1VF+bf7SOQnkXB3UaDTxhWfSv P/4ipAlB1gDN6/OHNghwmD6FjkCinTMfkUfLH5VVM6TtX5WT5Ov1qt9lTOdWPRmnYo i79W0g3z58Y8no7hC8KGEZjNo2ZS0mJPWoqeA880= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Rabin Vincent , Mathieu Poirier , Sasha Levin Subject: [PATCH 4.4 056/131] coresight: release reference taken by bus_find_device() Date: Mon, 1 Apr 2019 19:02:06 +0200 Message-Id: <20190401170057.034616557@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190401170051.645954551@linuxfoundation.org> References: <20190401170051.645954551@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.4-stable review patch. If anyone has any objections, please let me know. ------------------ [ Upstream commit f2dfab3568fc32afeac8b698481e80e7ab2dc658 ] The reference count taken by function bus_find_device() needs to be released if a child device is found, something this patch is adding. Reported-by: Rabin Vincent Signed-off-by: Mathieu Poirier Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/hwtracing/coresight/coresight.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/hwtracing/coresight/coresight.c b/drivers/hwtracing/coresight/coresight.c index a7d1edbf3340..5e2a2a5ad601 100644 --- a/drivers/hwtracing/coresight/coresight.c +++ b/drivers/hwtracing/coresight/coresight.c @@ -573,6 +573,8 @@ static void coresight_fixup_device_conns(struct coresight_device *csdev) if (dev) { conn->child_dev = to_coresight_device(dev); + /* and put reference from 'bus_find_device()' */ + put_device(dev); } else { csdev->orphan = true; conn->child_dev = NULL; -- 2.19.1