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OpenCloudOS-Kernel
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btrfs: fix unbalanced unlock in qgroup_account_snapshot() 

qgroup_account_snapshot() is trying to unlock the not taken
tree_log_mutex in a error path. Since ret != 0 in this case, we can
just return from here.

Fixes: 2a4d84c11a ("btrfs: move delayed ref flushing for qgroup into qgroup helper")
CC: stable@vger.kernel.org # 5.12+
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Naohiro Aota 2021-06-21 10:21:14 +09:00 committed by David Sterba
parent da658b5708
commit 44365827cc
1 changed files with 1 additions and 1 deletions
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2
fs/btrfs/transaction.c
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@ -1478,7 +1478,7 @@ static int qgroup_account_snapshot(struct btrfs_trans_handle *trans,
ret = btrfs_run_delayed_refs(trans, (unsigned long)-1); ret = btrfs_run_delayed_refs(trans, (unsigned long)-1);
if (ret) { if (ret) {
btrfs_abort_transaction(trans, ret); btrfs_abort_transaction(trans, ret);
goto out; return ret;
} }
/* /*