| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.18 089/181] io_uring: fail links when poll fails | Date | Mon, 27 Jun 2022 13:21:02 +0200 |
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From: Pavel Begunkov <asml.silence@gmail.com>
[ Upstream commit c487a5ad48831afa6784b368ec40d0ee50f2fe1b ]
Don't forget to cancel all linked requests of poll request when __io_arm_poll_handler() failed.
Fixes: aa43477b04025 ("io_uring: poll rework") Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/a78aad962460f9fdfe4aa4c0b62425c88f9415bc.1655852245.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Sasha Levin <sashal@kernel.org> --- fs/io_uring.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/fs/io_uring.c b/fs/io_uring.c index 68aab48838e4..ca9ed3d899e6 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -6399,6 +6399,8 @@ static int io_poll_add(struct io_kiocb *req, unsigned int issue_flags) ipt.pt._qproc = io_poll_queue_proc; ret = __io_arm_poll_handler(req, &req->poll, &ipt, poll->events); + if (!ret && ipt.error) + req_set_fail(req); ret = ret ?: ipt.error; if (ret) __io_req_complete(req, issue_flags, ret, 0); -- 2.35.1
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