diff options
Diffstat (limited to 'hw/qdev-properties.c')
| -rw-r--r-- | hw/qdev-properties.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/hw/qdev-properties.c b/hw/qdev-properties.c index a45b61e7ed..1088a26f8e 100644 --- a/hw/qdev-properties.c +++ b/hw/qdev-properties.c @@ -351,8 +351,13 @@ static int parse_chr(DeviceState *dev, Property *prop, const char *str) CharDriverState **ptr = qdev_get_prop_ptr(dev, prop); *ptr = qemu_chr_find(str); - if (*ptr == NULL) + if (*ptr == NULL) { return -ENOENT; + } + if ((*ptr)->assigned) { + return -EEXIST; + } + (*ptr)->assigned = 1; return 0; } |