From 5c936a83c3301f6919d2e0ba9eb977370a8a1ac7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= <marcandre.lureau@redhat.com>
Date: Sat, 22 Oct 2016 12:52:43 +0300
Subject: [PATCH] ringbuf: fix chr_write return value
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It should return the number of written bytes.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20161022095318.17775-4-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 qemu-char.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/qemu-char.c b/qemu-char.c
index 9165051f2a..650943d274 100644
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -3328,7 +3328,7 @@ static int ringbuf_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
         }
     }
 
-    return 0;
+    return len;
 }
 
 static int ringbuf_chr_read(CharDriverState *chr, uint8_t *buf, int len)