pipe: Remove redundant wakeup from pipe_write()

Remove a redundant wakeup from pipe_write().

Signed-off-by: David Howells <dhowells@redhat.com>

diff --git a/fs/pipe.c b/fs/pipe.c
index ce77ac0..d7b8d3f 100644 (file)
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -517,11 +517,6 @@ pipe_write(struct kiocb *iocb, struct iov_iter *from)
                                ret = -ERESTARTSYS;
                        break;
                }
-               if (do_wakeup) {
-                       wake_up_interruptible_sync_poll(&pipe->wait, EPOLLIN | EPOLLRDNORM);
-                       kill_fasync(&pipe->fasync_readers, SIGIO, POLL_IN);
-                       do_wakeup = 0;
-               }
                pipe->waiting_writers++;
                pipe_wait(pipe);
                pipe->waiting_writers--;