From 7bc185a4a2f8b4900c3ea86f047a4af359db264e Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Sat, 11 Sep 1993 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 1993-09-11

---
 port/devpipe.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/port/devpipe.c b/port/devpipe.c
index ce314cb5ea42ed59eee317ec24bd96bcf91b2bd4..ff0a5f226be801813c68fb858a854d7a9512162a 100644
--- a/port/devpipe.c
+++ b/port/devpipe.c
@@ -298,7 +298,9 @@ pipewrite(Chan *c, void *va, long n, ulong offset)
 	USED(offset);
 
 	if(waserror()) {
-		postnote(up, 1, "sys: write on closed pipe", NUser);
+		/* avoid notes when pipe is a mounted queue */
+		if((c->flag & CMSG) == 0)
+			postnote(up, 1, "sys: write on closed pipe", NUser);
 		error(Ehungup);
 	}