qemu-char: fix warning 'res' may be used uninitialized

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-id: 1403683241-20678-1-git-send-email-imammedo@redhat.com
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

diff --git a/qemu-char.c b/qemu-char.c
index 2e50a1093ec180bea1958886ed479d455fd7d76a..f6bdf2fae4b734038c4c767f94da0d07a6b1d4ef 100644 (file)
--- a/qemu-char.c
+++ b/qemu-char.c
@@ -132,7 +132,7 @@ int qemu_chr_fe_write(CharDriverState *s, const uint8_t *buf, int len)
 int qemu_chr_fe_write_all(CharDriverState *s, const uint8_t *buf, int len)
 {
     int offset = 0;
-    int res;
+    int res = 0;
 
     qemu_mutex_lock(&s->chr_write_lock);
     while (offset < len) {