diff options
-rw-r--r-- | block/stream.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/block/stream.c b/block/stream.c index 37c46525d2..c4f87dd5b6 100644 --- a/block/stream.c +++ b/block/stream.c @@ -122,6 +122,12 @@ wait: * known-unallocated area [sector_num, sector_num+n). */ ret = bdrv_co_is_allocated_above(bs->backing_hd, base, sector_num, n, &n); + + /* Finish early if end of backing file has been reached */ + if (ret == 0 && n == 0) { + n = end - sector_num; + } + copy = (ret == 1); } trace_stream_one_iteration(s, sector_num, n, ret); |