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=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,T_DKIMWL_WL_HIGH,USER_AGENT_GIT autolearn=unavailable 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 8C4A9C43219 for ; Thu, 2 May 2019 15:49:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 54517204EC for ; Thu, 2 May 2019 15:49:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1556812178; bh=sLS4DGfxX2pynUxKD6bhgJx/JP1Hdidayw2k21aaiBg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=2tfJs+ae3jSEP8LJ+eoEX30O24E75CPwp5ulp/w0JwgqbgGY9/CkwFt2QLxlxWbg7 lMH5MEAgM6PPi7mYzeKUuqRN94kH92EiziOuuc4jowXmXQuKnxi5HDFsiYoMdiY70r pjeOC9r4HnH5lG3r2ffHxnlt6Nlti0nUNwnBg1RY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726687AbfEBPWc (ORCPT ); Thu, 2 May 2019 11:22:32 -0400 Received: from mail.kernel.org ([198.145.29.99]:37794 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726617AbfEBPW3 (ORCPT ); Thu, 2 May 2019 11:22:29 -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 C575B20B7C; Thu, 2 May 2019 15:22:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1556810548; bh=sLS4DGfxX2pynUxKD6bhgJx/JP1Hdidayw2k21aaiBg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nHVvkQTuqLksuKli9TAlKqmSE23hG4hCbu0X0GWl3HBSqVqKop1uIp7LTWsIRijPw E0istgEINdkcI/0+iBtTi5fJ/MmZ1apVwIDKID4r4L+fLOX3wfN0oAn7T1XDPKvD1w J63SgcxfQQQpd82s7PYYSxpjM5bXharQqAUyFnbE= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Wen Yang , Douglas Miller , "David S. Miller" , netdev@vger.kernel.org, "Sasha Levin (Microsoft)" Subject: [PATCH 4.9 22/32] net: ibm: fix possible object reference leak Date: Thu, 2 May 2019 17:21:08 +0200 Message-Id: <20190502143321.312803981@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190502143314.649935114@linuxfoundation.org> References: <20190502143314.649935114@linuxfoundation.org> User-Agent: quilt/0.66 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 [ Upstream commit be693df3cf9dd113ff1d2c0d8150199efdba37f6 ] The call to ehea_get_eth_dn returns a node pointer with refcount incremented thus it must be explicitly decremented after the last usage. Detected by coccinelle with the following warnings: ./drivers/net/ethernet/ibm/ehea/ehea_main.c:3163:2-8: ERROR: missing of_node_put; acquired a node pointer with refcount incremented on line 3154, but without a corresponding object release within this function. Signed-off-by: Wen Yang Cc: Douglas Miller Cc: "David S. Miller" Cc: netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: David S. Miller Signed-off-by: Sasha Levin (Microsoft) --- drivers/net/ethernet/ibm/ehea/ehea_main.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/ibm/ehea/ehea_main.c b/drivers/net/ethernet/ibm/ehea/ehea_main.c index bd719e25dd76..2dd17e01e3a7 100644 --- a/drivers/net/ethernet/ibm/ehea/ehea_main.c +++ b/drivers/net/ethernet/ibm/ehea/ehea_main.c @@ -3184,6 +3184,7 @@ static ssize_t ehea_probe_port(struct device *dev, if (ehea_add_adapter_mr(adapter)) { pr_err("creating MR failed\n"); + of_node_put(eth_dn); return -EIO; } -- 2.19.1