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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,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 E287DC32771 for ; Fri, 24 Jan 2020 09:39:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A855920838 for ; Fri, 24 Jan 2020 09:39:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579858751; bh=J7qSukaHBm9Ti7YQiSBfxmST28w4z1i2bJVRAYszNAY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=tXK3dE4nV2kr67XjcTG+qDqaxLL8ZbXooGSffa3imA0aZr0+YfjBaXw54imd3X7dM 1Awfb3ArM3yWTcyDbCpo6HKkmHwxiKvba62Og8wDrMsxGLg+AgetYHX8eWRLSxfIzl abzD7NOsphht9PoA3F5eOnaGQtE3X3KyDgvkzLzA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731526AbgAXJjK (ORCPT ); Fri, 24 Jan 2020 04:39:10 -0500 Received: from mail.kernel.org ([198.145.29.99]:36298 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729924AbgAXJjI (ORCPT ); Fri, 24 Jan 2020 04:39:08 -0500 Received: from localhost (unknown [145.15.244.15]) (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 6518B20709; Fri, 24 Jan 2020 09:39:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579858747; bh=J7qSukaHBm9Ti7YQiSBfxmST28w4z1i2bJVRAYszNAY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Hh3Qyo1JT2WSaZNax2VZxoPdN8mRpyijTTg0KkSDb0wmzq6h4af4SIeJD8QK2U8YI XpVvCB1O1DAZHLOI6datXmGmmmR1GCbiOsoqj6KVCwSLPoOAPEbiRZmAeHdO/QAtE2 NfWGm7E3Um0OHz8M1d3cOyeZMxgzJyT9rG44tQog= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Navid Emamdoost , Corey Minyard Subject: [PATCH 5.4 046/102] ipmi: Fix memory leak in __ipmi_bmc_register Date: Fri, 24 Jan 2020 10:30:47 +0100 Message-Id: <20200124092813.226795453@linuxfoundation.org> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200124092806.004582306@linuxfoundation.org> References: <20200124092806.004582306@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 From: Navid Emamdoost commit 4aa7afb0ee20a97fbf0c5bab3df028d5fb85fdab upstream. 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: Greg Kroah-Hartman --- drivers/char/ipmi/ipmi_msghandler.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) --- a/drivers/char/ipmi/ipmi_msghandler.c +++ b/drivers/char/ipmi/ipmi_msghandler.c @@ -3039,8 +3039,11 @@ static int __ipmi_bmc_register(struct ip 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;