Commit e697deed authored by Jiufei Xue's avatar Jiufei Xue Committed by Jens Axboe
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io_uring: check file O_NONBLOCK state for accept 



If the socket is O_NONBLOCK, we should complete the accept request
with -EAGAIN when data is not ready.

Signed-off-by: default avatarJiufei Xue <jiufei.xue@linux.alibaba.com>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 405a5d2b

fs/io_uring.c

+3 −0
Original line number Diff line number Diff line
@@ -3909,6 +3909,9 @@ static int io_accept(struct io_kiocb *req, bool force_nonblock) 
	unsigned int file_flags = force_nonblock ? O_NONBLOCK : 0;

	int ret;



	if (req->file->f_flags & O_NONBLOCK)

		req->flags |= REQ_F_NOWAIT;



	ret = __sys_accept4_file(req->file, file_flags, accept->addr,

					accept->addr_len, accept->flags,

					accept->nofile);