Commit bb68d504 authored by Jens Axboe's avatar Jens Axboe
Browse files

io_uring: ignore ->buf_index if REQ_F_BUFFER_SELECT isn't set 



There's no point in validity checking buf_index if the request doesn't
have REQ_F_BUFFER_SELECT set, as we will never use it for that case.

Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent e5b00349

fs/io_uring.c

+0 −4
Original line number Diff line number Diff line
@@ -3573,10 +3573,6 @@ static struct iovec *__io_import_iovec(int rw, struct io_kiocb *req, 
		return NULL;

	}



	/* buffer index only valid with fixed read/write, or buffer select  */

	if (unlikely(req->buf_index && !(req->flags & REQ_F_BUFFER_SELECT)))

		return ERR_PTR(-EINVAL);



	buf = u64_to_user_ptr(req->rw.addr);

	sqe_len = req->rw.len;