diff mbox series

io_uring/fs: remove sqe->rw_flags checking from LINKAT

Message ID 47be2cca-66f9-40bf-b0c9-364e8927d4fb@kernel.dk (mailing list archive)
State New
Headers show
Series io_uring/fs: remove sqe->rw_flags checking from LINKAT | expand

Commit Message

Jens Axboe Sept. 28, 2023, 3:28 p.m. UTC 
This is unionized with the actual link flags, so they can of course be
set and they will be evaluated further down. If not we fail any LINKAT
that has to set option flags.

Fixes: cf30da90bc3a ("io_uring: add support for IORING_OP_LINKAT")
Cc: stable@vger.kernel.org
Link: https://github.com/axboe/liburing/issues/955
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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diff mbox series

Patch

diff --git a/io_uring/fs.c b/io_uring/fs.c
index f6a69a549fd4..08e3b175469c 100644
--- a/io_uring/fs.c
+++ b/io_uring/fs.c
@@ -243,7 +243,7 @@  int io_linkat_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
 	struct io_link *lnk = io_kiocb_to_cmd(req, struct io_link);
 	const char __user *oldf, *newf;
 
-	if (sqe->rw_flags || sqe->buf_index || sqe->splice_fd_in)
+	if (sqe->buf_index || sqe->splice_fd_in)
 		return -EINVAL;
 	if (unlikely(req->flags & REQ_F_FIXED_FILE))
 		return -EBADF;