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io-wq: fix double put of 'wq' in error path

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We are already freeing the wq struct in both spots, so don't put it and
get it freed twice.

Reported-by: syzbot+7bf785eedca35ca05501@syzkaller.appspotmail.com
Fixes: 4fb6ac3262 ("io-wq: improve manager/worker handling over exec")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe 2021-02-26 10:20:34 -07:00
parent d364d9e5db
commit 470ec4ed8c
1 changed files with 0 additions and 2 deletions
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2
fs/io-wq.c
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@ -826,7 +826,6 @@ static int io_wq_fork_manager(struct io_wq *wq)
return 0;
}
io_wq_put(wq);
return ret;
}
@ -1078,7 +1077,6 @@ struct io_wq *io_wq_create(unsigned bounded, struct io_wq_data *data)
if (!ret)
return wq;
io_wq_put(wq);
io_wq_put_hash(data->hash);
err:
cpuhp_state_remove_instance_nocalls(io_wq_online, &wq->cpuhp_node);