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io_uring: missed req_init_async() for IOSQE_ASYNC 

IOSQE_ASYNC branch of io_queue_sqe() is another place where an
unitialised req->work can be accessed (i.e. prior io_req_init_async()).
Nothing really bad though, it just looses IO_WQ_WORK_CONCURRENT flag.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2020-07-23 20:17:20 +03:00 committed by Jens Axboe
parent 61710e437f
commit 3e863ea3bb
1 changed files with 1 additions and 0 deletions
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fs/io_uring.c
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@ -5730,6 +5730,7 @@ static void io_queue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe)
* Never try inline submit of IOSQE_ASYNC is set, go straight * Never try inline submit of IOSQE_ASYNC is set, go straight
* to async execution. * to async execution.
*/ */
io_req_init_async(req);
req->work.flags |= IO_WQ_WORK_CONCURRENT; req->work.flags |= IO_WQ_WORK_CONCURRENT;
io_queue_async_work(req); io_queue_async_work(req);
} else { } else {