Merge tag 'io_uring-5.15-2021-09-11' of git://git.kernel.dk/linux-block

[linux-2.6-microblaze.git] / fs / io_uring.c

diff --git a/fs/io_uring.c b/fs/io_uring.c
index f795ad2..16fb743 100644 (file)
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -3485,6 +3485,7 @@ static int io_read(struct io_kiocb *req, unsigned int issue_flags)
                if (req->flags & REQ_F_NOWAIT)
                        goto done;
                /* some cases will consume bytes even on error returns */
+               iov_iter_reexpand(iter, iter->count + iter->truncated);
                iov_iter_revert(iter, io_size - iov_iter_count(iter));
                ret = 0;
        } else if (ret == -EIOCBQUEUED) {
@@ -3624,6 +3625,7 @@ done:
        } else {
 copy_iov:
                /* some cases will consume bytes even on error returns */
+               iov_iter_reexpand(iter, iter->count + iter->truncated);
                iov_iter_revert(iter, io_size - iov_iter_count(iter));
                ret = io_setup_async_rw(req, iovec, inline_vecs, iter, false);
                return ret ?: -EAGAIN;