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-rw-r--r--util/hbitmap.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/util/hbitmap.c b/util/hbitmap.c
index 66db87c6ff..242c6e519c 100644
--- a/util/hbitmap.c
+++ b/util/hbitmap.c
@@ -387,6 +387,10 @@ void hbitmap_set(HBitmap *hb, uint64_t start, uint64_t count)
uint64_t first, n;
uint64_t last = start + count - 1;
+ if (count == 0) {
+ return;
+ }
+
trace_hbitmap_set(hb, start, count,
start >> hb->granularity, last >> hb->granularity);
@@ -478,6 +482,10 @@ void hbitmap_reset(HBitmap *hb, uint64_t start, uint64_t count)
uint64_t last = start + count - 1;
uint64_t gran = 1ULL << hb->granularity;
+ if (count == 0) {
+ return;
+ }
+
assert(QEMU_IS_ALIGNED(start, gran));
assert(QEMU_IS_ALIGNED(count, gran) || (start + count == hb->orig_size));