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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 348F5C33CB3 for ; Thu, 16 Jan 2020 16:47:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F411921582 for ; Thu, 16 Jan 2020 16:47:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579193258; bh=ZOIvOYprd3XLNljzNUYFfxxYX6r1QQgmbxqckAwtrVQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=fP6bl3HI91UWBaf+ykIm/P0VADMkBGHwp9X4mLvq6IF8EyhsKQiCsaI/kM7DQLBl3 QYxJWk0Pu0pXx+jlHW3r0qL/HyP+i82uIhJAQHPSTNqf+gkNXurKCA2ygFY3198PLf Ij7K+HA91AEbVdKk5i74YaZN4yNMaoNr00SHNvZk= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729966AbgAPQrh (ORCPT ); Thu, 16 Jan 2020 11:47:37 -0500 Received: from mail.kernel.org ([198.145.29.99]:57412 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729946AbgAPQrc (ORCPT ); Thu, 16 Jan 2020 11:47:32 -0500 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 61D992081E; Thu, 16 Jan 2020 16:47:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579193252; bh=ZOIvOYprd3XLNljzNUYFfxxYX6r1QQgmbxqckAwtrVQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MF5Xg0RLdTloyF9uVj7czZkT0F29oVmyfR+B5J3RuHxKxU50CBF/5tN1gz5ic2zLI Ga8xSdjnueDGC1/88aRYAbQPUBq+P5hMpy/e0R5H6fuvFjglvbFGFgCZD6TvO2+Z4M gvGdAafsrwl13E3H+ccHWw8l+McrkNi9V4nh6MHA= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Navid Emamdoost , Corey Minyard , Sasha Levin , openipmi-developer@lists.sourceforge.net Subject: [PATCH AUTOSEL 5.4 055/205] ipmi: Fix memory leak in __ipmi_bmc_register Date: Thu, 16 Jan 2020 11:40:30 -0500 Message-Id: <20200116164300.6705-55-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200116164300.6705-1-sashal@kernel.org> References: <20200116164300.6705-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Navid Emamdoost [ Upstream commit 4aa7afb0ee20a97fbf0c5bab3df028d5fb85fdab ] In the impelementation of __ipmi_bmc_register() the allocated memory for bmc should be released in case ida_simple_get() fails. Fixes: 68e7e50f195f ("ipmi: Don't use BMC product/dev ids in the BMC name") Signed-off-by: Navid Emamdoost Message-Id: <20191021200649.1511-1-navid.emamdoost@gmail.com> Signed-off-by: Corey Minyard Signed-off-by: Sasha Levin --- drivers/char/ipmi/ipmi_msghandler.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c index 3c8a559506e8..0b6e7f8d9729 100644 --- a/drivers/char/ipmi/ipmi_msghandler.c +++ b/drivers/char/ipmi/ipmi_msghandler.c @@ -3039,8 +3039,11 @@ static int __ipmi_bmc_register(struct ipmi_smi *intf, bmc->pdev.name = "ipmi_bmc"; rv = ida_simple_get(&ipmi_bmc_ida, 0, 0, GFP_KERNEL); - if (rv < 0) + if (rv < 0) { + kfree(bmc); goto out; + } + bmc->pdev.dev.driver = &ipmidriver.driver; bmc->pdev.id = rv; bmc->pdev.dev.release = release_bmc_device; -- 2.20.1