From 492aa8f37a1364cf5b53de096782d967ba13d663 Mon Sep 17 00:00:00 2001
From: Andreas Herrmann <andreas.herrmann@caviumnetworks.com>
Date: Wed, 28 May 2014 22:28:06 +0200
Subject: [PATCH] kvm tools: Return number of bytes written by term_putc

No caller is currently using the return value but better return
number of bytes written instead of 0 in case of an error.

Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Andreas Herrmann <andreas.herrmann@caviumnetworks.com>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
---
 term.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/term.c b/term.c
index b153eed..1b8131a 100644
--- a/term.c
+++ b/term.c
@@ -57,7 +57,7 @@ int term_putc(char *addr, int cnt, int term)
 	while (num_remaining) {
 		ret = write(term_fds[term][TERM_FD_OUT], addr, num_remaining);
 		if (ret < 0)
-			return 0;
+			return cnt - num_remaining;
 		num_remaining -= ret;
 		addr += ret;
 	}