Commit cbd25748 authored by Dylan Yudaken's avatar Dylan Yudaken Committed by Jens Axboe
Browse files

io_uring: fix multishot accept ordering 



Similar to multishot poll, drop multishot accept when CQE overflow occurs.

Signed-off-by: default avatarDylan Yudaken <dylany@fb.com>
Link: https://lore.kernel.org/r/20220630091231.1456789-10-dylany@fb.com


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent a2da6763

io_uring/net.c

+7 −4
Original line number Diff line number Diff line
@@ -656,11 +656,14 @@ int io_accept(struct io_kiocb *req, unsigned int issue_flags) 
		return IOU_OK;

	}



	if (ret < 0)

		return ret;

	if (io_post_aux_cqe(ctx, req->cqe.user_data, ret, IORING_CQE_F_MORE, true))

	if (ret >= 0 &&

	    io_post_aux_cqe(ctx, req->cqe.user_data, ret, IORING_CQE_F_MORE, false))

		goto retry;

	return -ECANCELED;



	io_req_set_res(req, ret, 0);

	if (req->flags & REQ_F_POLLED)

		return IOU_STOP_MULTISHOT;

	return IOU_OK;

}



int io_socket_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)