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=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,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 1D63CC10F11 for ; Mon, 22 Apr 2019 19:55:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C013B204EC for ; Mon, 22 Apr 2019 19:55:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1555962919; bh=Ye8n1i5bzNgaDwC2ePvoj9Zqvf55NE216DcWz44/oqs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=ZO7B5tta6ldm+GV6vmm6QjGvExr7Dt3KFTKzDbz1/q5ZN0RCaCRk7pISmhaERgwyb H7OL2ivEhcz2hJyZ6B3cWhTlYJlsmEC3yWrcxSO7cj3737/N6QOy/NvCcBcXLaxf2Z oAEeNthVB+3kI5+6tSSmw/J0/RpfrZvSWqCYnKtE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731553AbfDVTzP (ORCPT ); Mon, 22 Apr 2019 15:55:15 -0400 Received: from mail.kernel.org ([198.145.29.99]:53210 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730842AbfDVTt1 (ORCPT ); Mon, 22 Apr 2019 15:49:27 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 5BB4520643; Mon, 22 Apr 2019 19:49:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1555962567; bh=Ye8n1i5bzNgaDwC2ePvoj9Zqvf55NE216DcWz44/oqs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=1GG99DrBwrynYd4v7Jd2lvvJLX4ne/jbn6eEzMQ+FqQmOBbjKXsavcgFEdoKGAtrz fcU5iPdKHGKXElCXRxmph8I74pnBexq9/eH/eO4d+70Wdx9PfT1EgzhN6YYcCsakZl jWzu/1cyrxhfzq7vH/NTD0t18JoFcnAYAZRzYBeo= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Wen Yang , Douglas Miller , "David S. Miller" , netdev@vger.kernel.org, Sasha Levin Subject: [PATCH AUTOSEL 4.9 19/29] net: ibm: fix possible object reference leak Date: Mon, 22 Apr 2019 15:48:38 -0400 Message-Id: <20190422194848.13049-19-sashal@kernel.org> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20190422194848.13049-1-sashal@kernel.org> References: <20190422194848.13049-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Wen Yang [ 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