[PATCH 5.16 224/285] io_uring: dont check req->file in io_fsync_prep()

Greg Kroah-Hartman
2022-04-12T08:25:56Z

From: Jens Axboe <axboe@kernel.dk>

commit ec858afda857e361182ceafc3d2ba2b164b8e889 upstream.

This is a leftover from the really old days where we weren't able to
track and error early if we need a file and it wasn't assigned. Kill
the check.

Cc: stable@vger.kernel.org # v5.15+
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/io_uring.c | 3 ---
1 file changed, 3 deletions(-)

--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -4155,9 +4155,6 @@ static int io_fsync_prep(struct io_kiocb
{
struct io_ring_ctx *ctx = req->ctx;

- if (!req->file)
- return -EBADF;
-
if (unlikely(ctx->flags & IORING_SETUP_IOPOLL))
return -EINVAL;
if (unlikely(sqe->addr || sqe->ioprio || sqe->buf_index ||