diff options
| -rw-r--r-- | tools/releasetools/sparse_img.py | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/tools/releasetools/sparse_img.py b/tools/releasetools/sparse_img.py index 7574747..820d85b 100644 --- a/tools/releasetools/sparse_img.py +++ b/tools/releasetools/sparse_img.py @@ -204,8 +204,12 @@ class SparseImage(object): nonzero_blocks.append(b) nonzero_blocks.append(b+1) - out["__ZERO"] = RangeSet(data=zero_blocks) - out["__NONZERO"] = RangeSet(data=nonzero_blocks) + assert zero_blocks or nonzero_blocks + + if zero_blocks: + out["__ZERO"] = RangeSet(data=zero_blocks) + if nonzero_blocks: + out["__NONZERO"] = RangeSet(data=nonzero_blocks) def ResetFileMap(self): """Throw away the file map and treat the entire image as |