diff options
| -rw-r--r-- | fs/io_uring.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c index c9d526ff55e088..e030b33fa53e12 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -3153,6 +3153,8 @@ static int io_read(struct io_kiocb *req, bool force_nonblock, } else if (ret == -EAGAIN) { if (!force_nonblock) goto done; + /* some cases will consume bytes even on error returns */ + iov_iter_revert(iter, iov_count - iov_iter_count(iter)); ret = io_setup_async_rw(req, iovec, inline_vecs, iter, false); if (ret) goto out_free; @@ -3294,6 +3296,8 @@ static int io_write(struct io_kiocb *req, bool force_nonblock, if (!force_nonblock || ret2 != -EAGAIN) { kiocb_done(kiocb, ret2, cs); } else { + /* some cases will consume bytes even on error returns */ + iov_iter_revert(iter, iov_count - iov_iter_count(iter)); copy_iov: ret = io_setup_async_rw(req, iovec, inline_vecs, iter, false); if (!ret) |