diff options
-rw-r--r-- | block/qcow2-snapshot.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/block/qcow2-snapshot.c b/block/qcow2-snapshot.c index fe7e14cc89..884b06d9fe 100644 --- a/block/qcow2-snapshot.c +++ b/block/qcow2-snapshot.c @@ -292,7 +292,8 @@ static void find_new_snapshot_id(BlockDriverState *bs, { BDRVQcowState *s = bs->opaque; QCowSnapshot *sn; - int i, id, id_max = 0; + int i; + unsigned long id, id_max = 0; for(i = 0; i < s->nb_snapshots; i++) { sn = s->snapshots + i; @@ -300,7 +301,7 @@ static void find_new_snapshot_id(BlockDriverState *bs, if (id > id_max) id_max = id; } - snprintf(id_str, id_str_size, "%d", id_max + 1); + snprintf(id_str, id_str_size, "%lu", id_max + 1); } static int find_snapshot_by_id_and_name(BlockDriverState *bs, |