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 09f63f044a6bd1883ce8c34f902445bc52a565e0..89b43eaa1f748c5ed37f4fd8b76cf9f5f7ec49e8 100644 (file)
--- 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) {