wic: ensure generated disk system identifier is non-zero

PATCH Superseded Jonathan Liu 1 participant 1 message Jul 28, 2017

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Jonathan Liu

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2017-07-28 14:18 UTC #0 lore raw

PATCH v2 1/1 wic: ensure generated disk system identifier is non-zero

Zero may be interpreted as no FAT serial number or no MBR signature.

Signed-off-by Jonathan Liu <[email protected]>

---
 scripts/lib/wic/plugins/imager/direct.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

scripts/lib/wic/plugins/imager/direct.py +1 -1

index f20d8433f1..fe9b688ab0 100644
@@ -297,7 +297,7 @@ class PartitionedImage():
                           # all partitions (in bytes)
         self.ptable_format = ptable_format  # Partition table format
         # Disk system identifier
-        self.identifier = int.from_bytes(os.urandom(4), 'little')
+        self.identifier = int.from_bytes(os.urandom(4), 'little') or 0xffffffff
 
         self.partitions = partitions
         self.partimages = []

Signature · 1 line

2.13.2