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authorXiao Ni <xni@redhat.com>2022-05-12 17:21:09 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-06-09 10:26:32 +0200
commitf99d5b5dc8a42c807b5f1176b925aa45d61962ab (patch)
treee7ee514523d49f4fa3f4381e792ca7904cd41d39
parentb7a51df785031cc49caf1c59766ca89cfa97b54b (diff)
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 <xni@redhat.com> Signed-off-by: Song Liu <song@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/md/md.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c
index f156678c08bc..43c5890dc9f3 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -5600,8 +5600,6 @@ 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);
}
@@ -6288,8 +6286,6 @@ 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);