From 36a2fc44c574a59ee3b5e2cb327182f227b2b07e Mon Sep 17 00:00:00 2001 From: Xiao Ni Date: Thu, 12 May 2022 17:21:09 +0800 Subject: [PATCH] md: fix double free of io_acct_set bioset commit 42b805af102471f53e3c7867b8c2b502ea4eef7e upstream. Now io_acct_set is alloc and free in personality. Remove the codes that free io_acct_set in md_free and md_stop. Fixes: 0c031fd37f69 (md: Move alloc/free acct bioset in to personality) Signed-off-by: Xiao Ni Signed-off-by: Song Liu Signed-off-by: Greg Kroah-Hartman --- drivers/md/md.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/md/md.c b/drivers/md/md.c index d890330..b553654 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -5588,8 +5588,6 @@ static void md_free(struct kobject *ko) bioset_exit(&mddev->bio_set); bioset_exit(&mddev->sync_set); - if (mddev->level != 1 && mddev->level != 10) - bioset_exit(&mddev->io_acct_set); kfree(mddev); } @@ -6277,8 +6275,6 @@ void md_stop(struct mddev *mddev) __md_stop(mddev); bioset_exit(&mddev->bio_set); bioset_exit(&mddev->sync_set); - if (mddev->level != 1 && mddev->level != 10) - bioset_exit(&mddev->io_acct_set); } EXPORT_SYMBOL_GPL(md_stop); -- 2.7.4