From patchwork Tue Feb 2 21:13:58 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mathieu Poirier X-Patchwork-Id: 8195661 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 573929F3CD for ; Tue, 2 Feb 2016 21:17:21 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 77AA72027D for ; Tue, 2 Feb 2016 21:17:20 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B6EAB202EB for ; Tue, 2 Feb 2016 21:17:19 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1aQiIk-0003KQ-Bu; Tue, 02 Feb 2016 21:15:54 +0000 Received: from mail-pf0-x230.google.com ([2607:f8b0:400e:c00::230]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1aQiHX-0001Cf-9f for linux-arm-kernel@lists.infradead.org; Tue, 02 Feb 2016 21:14:41 +0000 Received: by mail-pf0-x230.google.com with SMTP id w123so610595pfb.0 for ; Tue, 02 Feb 2016 13:14:18 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=DGiO6jbtiE7z3M6U8cPqzVMZsw/1n22tqBlGc89sGRQ=; b=DNqjvM5tycGPvJCll+r83ViPcO4UKUNfNsQwm0+c30D9pSJ+RFfz3JeFkJoWEH3MKL 1aCMvlHA5wguAl72FTWD/kKpI2b1rTmIeYEjreVKCfJ5jBtAA7I3xrZ4E/PnMtFrlKWn VxBfLJXVio5xb3pk2TAbkXynpa+ON59V4MNTc= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=DGiO6jbtiE7z3M6U8cPqzVMZsw/1n22tqBlGc89sGRQ=; b=RC6nLwZ0fJ4HayJYOiTSaFTlZ0TWrTxz2D/QHzKRoJEaViGsfnizanPBY4SoCrEkcr S2vts6qw8hJzaOSNRHR2jqD8kFnqpj+bOo+yS6E0XmNWmIReLdWS3OSWIgP0HdZuzgro vs0hxhXBGEl9Uj2d8aPYbMAWcXtBPq7RE45Ci/L0PO4QK/vG0VCd+6mVh/APQj3MVAwR K2/aNPxpqMNyOUjNHErRwVnfTCMUh8AJjB7DQQRMaNH/aivkb50dRL7xRZUoG4/WZ4tI nhNmHlOWajmBdPSgl/vZAvHYzlCdETYN9lUJAQ3T6dRie7wMSTUxSEXD7SejX96pbuK0 umcQ== X-Gm-Message-State: AG10YORtvqXsVVLUafUswkwOQGWqct9E1V02M8nx2vycMyZORWvJA7e6fg4Wpto8k25J5WBr X-Received: by 10.98.65.91 with SMTP id o88mr50057038pfa.114.1454447658561; Tue, 02 Feb 2016 13:14:18 -0800 (PST) Received: from t430.cg.shawcable.net ([184.64.168.246]) by smtp.gmail.com with ESMTPSA id 79sm4769141pfr.22.2016.02.02.13.14.17 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 02 Feb 2016 13:14:17 -0800 (PST) From: Mathieu Poirier To: gregkh@linuxfoundation.org Subject: [PATCH 4/7] coresight: release reference taken by 'bus_find_device()' Date: Tue, 2 Feb 2016 14:13:58 -0700 Message-Id: <1454447641-29153-5-git-send-email-mathieu.poirier@linaro.org> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1454447641-29153-1-git-send-email-mathieu.poirier@linaro.org> References: <1454447641-29153-1-git-send-email-mathieu.poirier@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160202_131439_481199_03A43835 X-CRM114-Status: GOOD ( 10.86 ) X-Spam-Score: -2.7 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.5 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,RP_MATCHES_RCVD,T_DKIM_INVALID,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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 --- 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 8872db4410eb..a35ca54a76c9 100644 --- a/drivers/hwtracing/coresight/coresight.c +++ b/drivers/hwtracing/coresight/coresight.c @@ -570,6 +570,8 @@ 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;