From: David Howells <dhowells@redhat.com>
Date: Mon, 7 Oct 2019 14:10:06 +0000 (+0100)
Subject: pipe: Remove redundant wakeup from pipe_write()
X-Git-Tag: v5.10.7~3696^2~5
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7e25a73f1a52b58fc8206557e40d990cd791ad25;p=platform%2Fkernel%2Flinux-rpi.git

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
--- 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--;