From: Blue Swirl <blauwirbel@gmail.com>
Date: Sat, 5 Feb 2011 21:30:42 +0000 (+0000)
Subject: serial: make optional
X-Git-Tag: qemu-xen-4.2.0~1538
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=9b13ef9f4c5be62bf405ab4291e090631089707f;p=qemu-xen.git

serial: make optional

Ignore failure with serial device creation.

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
---

diff --git a/hw/pc.h b/hw/pc.h
index 09f63f044a..89b43eaa1f 100644
--- a/hw/pc.h
+++ b/hw/pc.h
@@ -21,7 +21,10 @@ static inline bool serial_isa_init(int index, CharDriverState *chr)
 {
     ISADevice *dev;
 
-    dev = isa_create("isa-serial");
+    dev = isa_try_create("isa-serial");
+    if (!dev) {
+        return false;
+    }
     qdev_prop_set_uint32(&dev->qdev, "index", index);
     qdev_prop_set_chr(&dev->qdev, "chardev", chr);
     if (qdev_init(&dev->qdev) < 0) {