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=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 31495C5DF60 for ; Fri, 8 Nov 2019 12:06:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id ED8E021848 for ; Fri, 8 Nov 2019 12:06:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573214774; bh=QIt9cB9KftKcL9TswJa78nCGJhZ52XYOCwqoXAAJRJ4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=hbJ+8Ado4JTyEE5jN4E2SLUOb5/a2blpdoL5kFnTen+3WX5dRiuUBTGi3JjnqJK3a FYsinXDetQ/Q9M4SnCCUGWiKO5REY8vXP8Ghq/rTZjAKCaa5fSB51cDq+ePKJAuL1D j6sGfvcF5ZfaLNDX3rKthjjMcc/MMTFgpsYAF4jI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389333AbfKHLlT (ORCPT ); Fri, 8 Nov 2019 06:41:19 -0500 Received: from mail.kernel.org ([198.145.29.99]:54476 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389229AbfKHLlO (ORCPT ); Fri, 8 Nov 2019 06:41:14 -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 D8CC3222D4; Fri, 8 Nov 2019 11:41:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573213273; bh=QIt9cB9KftKcL9TswJa78nCGJhZ52XYOCwqoXAAJRJ4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Uzg5/5Ge6mn6O+/kEm6UI+7/CjWoST2pqsWG5PO9p3f9pIFsU4Fk4g7ptfuJ+15oB J3kPJUwh/96l+69OqpPcJbFJpCh6OOe6Dmafhl8dw591qE8fNkdXBSO2n1ebhyBce0 CHvz2Yjfth7J95KSRzkeoQXDCnMmHoCkB5aWnk5U= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Chao Yu , Jaegeuk Kim , Sasha Levin , linux-f2fs-devel@lists.sourceforge.net Subject: [PATCH AUTOSEL 4.19 135/205] f2fs: fix memory leak of percpu counter in fill_super() Date: Fri, 8 Nov 2019 06:36:42 -0500 Message-Id: <20191108113752.12502-135-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191108113752.12502-1-sashal@kernel.org> References: <20191108113752.12502-1-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: Chao Yu [ Upstream commit 4a70e255449c9a13eed7a6eeecc85a1ea63cef76 ] In fill_super -> init_percpu_info, we should destroy percpu counter in error path, otherwise memory allcoated for percpu counter will leak. Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim Signed-off-by: Sasha Levin --- fs/f2fs/super.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 588c575bd72b0..18534d03d112b 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -2510,8 +2510,12 @@ static int init_percpu_info(struct f2fs_sb_info *sbi) if (err) return err; - return percpu_counter_init(&sbi->total_valid_inode_count, 0, + err = percpu_counter_init(&sbi->total_valid_inode_count, 0, GFP_KERNEL); + if (err) + percpu_counter_destroy(&sbi->alloc_valid_block_count); + + return err; } #ifdef CONFIG_BLK_DEV_ZONED -- 2.20.1