kill aio_setup_single_vector()

identical to import_single_range()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/fs/aio.c b/fs/aio.c
index 2ba172cfdeba2f6378221c1654fa11c7a7e0555d..3dba5a70ad97969df5380e4a05250dfff3e8c346 100644 (file)
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -1376,21 +1376,6 @@ static int aio_setup_vectored_rw(int rw, char __user *buf, size_t len,
        return 0;
 }
 
-static int aio_setup_single_vector(int rw, char __user *buf, size_t len,
-                                  struct iovec *iovec,
-                                  struct iov_iter *iter)
-{
-       if (len > MAX_RW_COUNT)
-               len = MAX_RW_COUNT;
-       if (unlikely(!access_ok(!rw, buf, len)))
-               return -EFAULT;
-
-       iovec->iov_base = buf;
-       iovec->iov_len = len;
-       iov_iter_init(iter, rw, iovec, 1, len);
-       return 0;
-}
-
 /*
  * aio_run_iocb:
  *     Performs the initial checks and io submission.
@@ -1434,8 +1419,7 @@ rw_common:
                        ret = aio_setup_vectored_rw(rw, buf, len,
                                                &iovec, compat, &iter);
                else
-                       ret = aio_setup_single_vector(rw, buf, len,
-                                               iovec, &iter);
+                       ret = import_single_range(rw, buf, len, iovec, &iter);
                if (!ret)
                        ret = rw_verify_area(rw, file, &req->ki_pos,
                                             iov_iter_count(&iter));