aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--hw/mem/pc-dimm.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/hw/mem/pc-dimm.c b/hw/mem/pc-dimm.c
index 0119c68..12da89d 100644
--- a/hw/mem/pc-dimm.c
+++ b/hw/mem/pc-dimm.c
@@ -118,9 +118,16 @@ static int pc_dimm_slot2bitmap(Object *obj, void *opaque)
int pc_dimm_get_free_slot(const int *hint, int max_slots, Error **errp)
{
- unsigned long *bitmap = bitmap_new(max_slots);
+ unsigned long *bitmap;
int slot = 0;
+ if (max_slots <= 0) {
+ error_setg(errp, "no slots where allocated, please specify "
+ "the 'slots' option");
+ return slot;
+ }
+
+ bitmap = bitmap_new(max_slots);
object_child_foreach(qdev_get_machine(), pc_dimm_slot2bitmap, bitmap);
/* check if requested slot is not occupied */