| commit | 4518a3cc273cf82efdd36522fb1f13baad173c70 | [log] [tgz] |
|---|---|---|
| author | Pavel Begunkov <asml.silence@gmail.com> | Tue May 26 20:34:02 2020 +0300 |
| committer | Jens Axboe <axboe@kernel.dk> | Tue May 26 13:31:08 2020 -0600 |
| tree | 73d08aa2e395a8f794c0313da1f8ac6e65dc7b81 | |
| parent | 6b668c9b7fc6fc0c313cdaee8b75d17f4d954ab5 [diff] |
io_uring: fix flush req->refs underflow
In io_uring_cancel_files(), after refcount_sub_and_test() leaves 0
req->refs, it calls io_put_req(), which would also put a ref. Call
io_free_req() instead.
Cc: stable@vger.kernel.org
Fixes: 2ca10259b418 ("io_uring: prune request from overflow list on flush")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>