From patchwork Mon Jul 12 06:10:40 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 474438 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=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, 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 C51FFC07E99 for ; Mon, 12 Jul 2021 06:30:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AD4C76117A for ; Mon, 12 Jul 2021 06:30:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236650AbhGLGd0 (ORCPT ); Mon, 12 Jul 2021 02:33:26 -0400 Received: from mail.kernel.org ([198.145.29.99]:47906 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235638AbhGLG31 (ORCPT ); Mon, 12 Jul 2021 02:29:27 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id DEFA0611C2; Mon, 12 Jul 2021 06:25:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1626071121; bh=uWKHSBg2LF4N0cgOTJ4q7ZACLhVVqVd11uacmqmmfw4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CDL/JqGIcK2PnsjWpXQK9cV4/IbHQsCSAvEY/Hv/LskRNOQh7v3qjiZo286XKj8Jx 1qanRbkZ2IzHEjQJlj26T/HWTKONXz4rkLUjDJdfUFol+W13PcztMKw07zkW+nn6jz uCJFFwu4+SRvku2Gd0zpzcwYd4d/hC1lY4K6+N44= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jiri Slaby , Christophe JAILLET , Sasha Levin Subject: [PATCH 5.4 256/348] tty: nozomi: Fix a resource leak in an error handling function Date: Mon, 12 Jul 2021 08:10:40 +0200 Message-Id: <20210712060736.815076393@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210712060659.886176320@linuxfoundation.org> References: <20210712060659.886176320@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Christophe JAILLET [ Upstream commit 31a9a318255960d32ae183e95d0999daf2418608 ] A 'request_irq()' call is not balanced by a corresponding 'free_irq()' in the error handling path, as already done in the remove function. Add it. Fixes: 9842c38e9176 ("kfifo: fix warn_unused_result") Reviewed-by: Jiri Slaby Signed-off-by: Christophe JAILLET Link: https://lore.kernel.org/r/4f0d2b3038e82f081d370ccb0cade3ad88463fe7.1620580838.git.christophe.jaillet@wanadoo.fr Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/tty/nozomi.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/tty/nozomi.c b/drivers/tty/nozomi.c index ed99948f3b7f..50590e50c3fe 100644 --- a/drivers/tty/nozomi.c +++ b/drivers/tty/nozomi.c @@ -1437,6 +1437,7 @@ err_free_tty: tty_unregister_device(ntty_driver, dc->index_start + i); tty_port_destroy(&dc->port[i].port); } + free_irq(pdev->irq, dc); err_free_kfifo: for (i = 0; i < MAX_PORT; i++) kfifo_free(&dc->port[i].fifo_ul);