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io_uring: remove superfluous check for sqe->off in io_accept()

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This field contains a pointer to addrlen and checking to see if it's set
returns -EINVAL if the caller sets addr & addrlen pointers.

Fixes: 17f2fe35d0 ("io_uring: add support for IORING_OP_ACCEPT")
Signed-off-by: Hrvoje Zeba <zeba.hrvoje@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Hrvoje Zeba
2019-11-25 14:40:22 -05:00
committed by Jens Axboe
parent 181e448d87
commit 8042d6ce8c
1 changed files with 1 additions and 1 deletions
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2
fs/io_uring.c
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@@ -1965,7 +1965,7 @@ static int io_accept(struct io_kiocb *req, const struct io_uring_sqe *sqe,
if (unlikely(req->ctx->flags & (IORING_SETUP_IOPOLL|IORING_SETUP_SQPOLL))) if (unlikely(req->ctx->flags & (IORING_SETUP_IOPOLL|IORING_SETUP_SQPOLL)))
return -EINVAL; return -EINVAL;
if (sqe->ioprio || sqe->off || sqe->len || sqe->buf_index) if (sqe->ioprio || sqe->len || sqe->buf_index)
return -EINVAL; return -EINVAL;
addr = (struct sockaddr __user *) (unsigned long) READ_ONCE(sqe->addr); addr = (struct sockaddr __user *) (unsigned long) READ_ONCE(sqe->addr);