btrfs: fix unbalanced unlock in qgroup_account_snapshot()

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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>

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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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fs/btrfs/transaction.c

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