From 6cfa64de908d67fb6f6b6e3ae4888dd863f69e44 Mon Sep 17 00:00:00 2001
From: Amit Shah <amit.shah@redhat.com>
Date: Wed, 7 Oct 2009 18:31:17 +0530
Subject: [PATCH] char: emit the OPENED event only when a new char connection
 is opened

The OPENED event gets sent also when qemu resets its state initially.
The consumers of the event aren't interested in receiving this event
on reset.

Patchworks-ID: 35288
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
---
 qemu-char.c | 7 ++++++-
 qemu-char.h | 2 ++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/qemu-char.c b/qemu-char.c
index 4757689993..0fd402c46d 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -119,7 +119,12 @@ static void qemu_chr_event(CharDriverState *s, int event)
 static void qemu_chr_reset_bh(void *opaque)
 {
     CharDriverState *s = opaque;
-    qemu_chr_event(s, CHR_EVENT_OPENED);
+
+    if (s->initial_reset_issued) {
+        qemu_chr_event(s, CHR_EVENT_OPENED);
+    } else {
+        s->initial_reset_issued = true;
+    }
     qemu_bh_delete(s->bh);
     s->bh = NULL;
 }
diff --git a/qemu-char.h b/qemu-char.h
index 05fe15d8cd..409961d205 100644
--- a/qemu-char.h
+++ b/qemu-char.h
@@ -1,6 +1,7 @@
 #ifndef QEMU_CHAR_H
 #define QEMU_CHAR_H
 
+#include <stdbool.h>
 #include "qemu-common.h"
 #include "qemu-queue.h"
 #include "qemu-option.h"
@@ -66,6 +67,7 @@ struct CharDriverState {
     QEMUBH *bh;
     char *label;
     char *filename;
+    bool initial_reset_issued;
     QTAILQ_ENTRY(CharDriverState) next;
 };