[PATCH for-next] io_uring: clean up io_prep_rw_setup()

[David Wei <dw@davidwei.uk>]

Remove unnecessary call to iov_iter_save_state() in io_prep_rw_setup()
as io_import_iovec() already does this. Then the result from
io_import_iovec() can be returned directly.

Signed-off-by: David Wei <dw@davidwei.uk>
---
 io_uring/rw.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/io_uring/rw.c b/io_uring/rw.c
index 04e4467ab0ee..5b24fd8b69f6 100644
--- a/io_uring/rw.c
+++ b/io_uring/rw.c
@@ -240,7 +240,6 @@ static int io_rw_alloc_async(struct io_kiocb *req)
 static int io_prep_rw_setup(struct io_kiocb *req, int ddir, bool do_import)
 {
 	struct io_async_rw *rw;
-	int ret;
 
 	if (io_rw_alloc_async(req))
 		return -ENOMEM;
@@ -249,12 +248,7 @@ static int io_prep_rw_setup(struct io_kiocb *req, int ddir, bool do_import)
 		return 0;
 
 	rw = req->async_data;
-	ret = io_import_iovec(ddir, req, rw, 0);
-	if (unlikely(ret < 0))
-		return ret;
-
-	iov_iter_save_state(&rw->iter, &rw->iter_state);
-	return 0;
+	return io_import_iovec(ddir, req, rw, 0);
 }
 
 static inline void io_meta_save_state(struct io_async_rw *io)
-- 
2.43.5