From: Wang Long Subject: [PATCH] jbd2: set to NULL after kmem_cache_destroy Date: Mon, 5 Feb 2018 21:39:17 +0800 Message-ID: <1517837957-1636-1-git-send-email-wanglong19@meituan.com> Cc: linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, wanglong19@meituan.com To: tytso@mit.edu, jack@suse.com Return-path: Received: from mx-fe5-210.meituan.com ([103.37.138.210]:60777 "EHLO mx02.meituan.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753099AbeBEQoY (ORCPT ); Mon, 5 Feb 2018 11:44:24 -0500 Sender: linux-ext4-owner@vger.kernel.org List-ID: Signed-off-by: Wang Long --- fs/jbd2/journal.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c index 93016bb..38dc24c 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -2649,11 +2649,14 @@ static int __init jbd2_journal_init_handle_cache(void) static void jbd2_journal_destroy_handle_cache(void) { - if (jbd2_handle_cache) + if (jbd2_handle_cache) { kmem_cache_destroy(jbd2_handle_cache); - if (jbd2_inode_cache) + jbd2_handle_cache = NULL; + } + if (jbd2_inode_cache) { kmem_cache_destroy(jbd2_inode_cache);