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* [PATCH] Remove superfluous check for sqe->off in io_accept()
@ 2019-11-25 19:40 Hrvoje Zeba
  2019-11-25 19:42 ` Jens Axboe
  0 siblings, 1 reply; 2+ messages in thread
From: Hrvoje Zeba @ 2019-11-25 19:40 UTC (permalink / raw)
  To: io-uring; +Cc: Hrvoje Zeba

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

Signed-off-by: Hrvoje Zeba <[email protected]>
---
 fs/io_uring.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/io_uring.c b/fs/io_uring.c
index e5bff60f61d6..8cb8f3898c77 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -1963,7 +1963,7 @@ 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)))
 		return -EINVAL;
-	if (sqe->ioprio || sqe->off || sqe->len || sqe->buf_index)
+	if (sqe->ioprio || sqe->len || sqe->buf_index)
 		return -EINVAL;
 
 	addr = (struct sockaddr __user *) (unsigned long) READ_ONCE(sqe->addr);
-- 
2.24.0


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2019-11-25 19:40 [PATCH] Remove superfluous check for sqe->off in io_accept() Hrvoje Zeba
2019-11-25 19:42 ` Jens Axboe

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