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,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 8BE02C433DF for ; Fri, 19 Jun 2020 14:40:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 51E3720773 for ; Fri, 19 Jun 2020 14:40:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592577615; bh=NWMLcpyikfEyP3vhtWUk2KoId6XXFoE9zxGdE35jo0U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=foBVqAmeY0cj0WnNkwep+2WM32SZ0abnCTR+/t+msb4xKBHVJkPSamjJ8h53dlRCw buztbNkes/71DnBju3K2WPC73UUrnLOPBCYgsAd8VCDRs7hj+qy7f6sGyhsx+Afwhu WQWj6IYxG6zZv/2SBmxOKcT6UxYUR3ADunUrEdLg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387823AbgFSOkL (ORCPT ); Fri, 19 Jun 2020 10:40:11 -0400 Received: from mail.kernel.org ([198.145.29.99]:57692 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388090AbgFSOj6 (ORCPT ); Fri, 19 Jun 2020 10:39:58 -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 A2D86208B8; Fri, 19 Jun 2020 14:39:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592577598; bh=NWMLcpyikfEyP3vhtWUk2KoId6XXFoE9zxGdE35jo0U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lcui03UiAYGa5n3Q9CaA8kGDI1kipWj2rMOZfRRPxRsPPvgfZ0MUT5tivfBdD7cbB oDVyVS2VL7I97OyaA/npXENwPiwLqPD6dKjWZj09R5SvRXu3bkOPQvwFf5bHupvVTB pm29EK3v1G5Et2n6XeIZ5IPMq1gdOMWuza1krXWA= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, =?UTF-8?q?=E4=BA=BF=E4=B8=80?= , Ard Biesheuvel Subject: [PATCH 4.9 013/128] efi/efivars: Add missing kobject_put() in sysfs entry creation error path Date: Fri, 19 Jun 2020 16:31:47 +0200 Message-Id: <20200619141620.841961202@linuxfoundation.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200619141620.148019466@linuxfoundation.org> References: <20200619141620.148019466@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: Ard Biesheuvel commit d8bd8c6e2cfab8b78b537715255be8d7557791c0 upstream. The documentation provided by kobject_init_and_add() clearly spells out the need to call kobject_put() on the kobject if an error is returned. Add this missing call to the error path. Cc: Reported-by: 亿一 Signed-off-by: Ard Biesheuvel Signed-off-by: Greg Kroah-Hartman --- drivers/firmware/efi/efivars.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/drivers/firmware/efi/efivars.c +++ b/drivers/firmware/efi/efivars.c @@ -586,8 +586,10 @@ efivar_create_sysfs_entry(struct efivar_ ret = kobject_init_and_add(&new_var->kobj, &efivar_ktype, NULL, "%s", short_name); kfree(short_name); - if (ret) + if (ret) { + kobject_put(&new_var->kobj); return ret; + } kobject_uevent(&new_var->kobj, KOBJ_ADD); if (efivar_entry_add(new_var, &efivar_sysfs_list)) {