io_uring: simplify iovec freeing in io_clean_op()

We don't get REQ_F_NEED_CLEANUP for rw unless there is ->free_iovec set,
so remove the optimisation of NULL checking it inline, kfree() will take
care if that would ever be the case.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/a233dc655d3d45bd4f69b73d55a61de46d914415.1623949695.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/fs/io_uring.c b/fs/io_uring.c
index af93f79..8543f1c 100644 (file)
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -6092,8 +6092,8 @@ static void io_clean_op(struct io_kiocb *req)
                case IORING_OP_WRITE_FIXED:
                case IORING_OP_WRITE: {
                        struct io_async_rw *io = req->async_data;
-                       if (io->free_iovec)
-                               kfree(io->free_iovec);
+
+                       kfree(io->free_iovec);
                        break;
                        }
                case IORING_OP_RECVMSG: