io-wq: fix error path leak of buffered write hash map

The 'err' path should include the hash put, we already grabbed a reference
once we get that far.

Fixes: e941894eae31 ("io-wq: make buffered file write hashed work map per-ctx")
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/fs/io-wq.c b/fs/io-wq.c
index 946826b..dc43038 100644 (file)
--- a/fs/io-wq.c
+++ b/fs/io-wq.c
@@ -1047,8 +1047,8 @@ struct io_wq *io_wq_create(unsigned bounded, struct io_wq_data *data)
        if (!ret)
                return wq;
 
-       io_wq_put_hash(data->hash);
 err:
+       io_wq_put_hash(data->hash);
        cpuhp_state_remove_instance_nocalls(io_wq_online, &wq->cpuhp_node);
        for_each_node(node)
                kfree(wq->wqes[node]);