From a8558a352fa4560c595139bb7946abd4a42c6669 Mon Sep 17 00:00:00 2001
From: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Date: Thu, 14 Oct 2010 11:38:47 -0700
Subject: [PATCH] --- yaml --- r: 217858 b: refs/heads/master c:
 403a85ff001710bb92689790b9a5c1c80e4b37a6 h: refs/heads/master v: v3

---
 [refs]                       | 2 +-
 trunk/drivers/char/hvc_xen.c | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/[refs] b/[refs]
index 3f722ab59c16..2912336ca868 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3654581e47adc07072aebe239818485b68ea04f0
+refs/heads/master: 403a85ff001710bb92689790b9a5c1c80e4b37a6
diff --git a/trunk/drivers/char/hvc_xen.c b/trunk/drivers/char/hvc_xen.c
index 60446f82a3fc..6b8e6d18a8e6 100644
--- a/trunk/drivers/char/hvc_xen.c
+++ b/trunk/drivers/char/hvc_xen.c
@@ -74,7 +74,8 @@ static int __write_console(const char *data, int len)
 	wmb();			/* write ring before updating pointer */
 	intf->out_prod = prod;
 
-	notify_daemon();
+	if (sent)
+		notify_daemon();
 	return sent;
 }