parttool: Fix regression when parsing binary partition data

Regression in a91de43537
2019-12-20 19:09:10 +11:00 · 2019-12-20 19:09:10 +11:00 · 59649ea825
commit 59649ea825
parent bdb0851065
1 changed files with 1 additions and 0 deletions
--- a/components/partition_table/parttool.py
+++ b/components/partition_table/parttool.py
@ -96,6 +96,7 @@ class ParttoolTarget():
            partition_table = None
            with open(partition_table_file, "rb") as f:
                input_is_binary = (f.read(2) == gen.PartitionDefinition.MAGIC_BYTES)
+                f.seek(0)
                if input_is_binary:
                    partition_table = gen.PartitionTable.from_binary(f.read())