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-rw-r--r--hw/qdev-properties.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/hw/qdev-properties.c b/hw/qdev-properties.c
index df3d20902a..c9703c261c 100644
--- a/hw/qdev-properties.c
+++ b/hw/qdev-properties.c
@@ -173,7 +173,12 @@ PropertyInfo qdev_prop_drive = {
static int print_chr(DeviceState *dev, Property *prop, char *dest, size_t len)
{
CharDriverState **ptr = qdev_get_prop_ptr(dev, prop);
- return snprintf(dest, len, "%s", (*ptr)->label);
+
+ if (*ptr && (*ptr)->label) {
+ return snprintf(dest, len, "%s", (*ptr)->label);
+ } else {
+ return snprintf(dest, len, "<null>");
+ }
}
PropertyInfo qdev_prop_chr = {