From: Jonathan Liu <net147@gmail.com>
To: openembedded-core@lists.openembedded.org
Subject: [PATCH v2] wic: ensure generated disk system identifier is non-zero
Date: Sat, 29 Jul 2017 00:20:01 +1000 [thread overview]
Message-ID: <20170728142001.23590-1-net147@gmail.com> (raw)
Zero may be interpreted as no FAT serial number or no MBR signature.
Signed-off-by: Jonathan Liu <net147@gmail.com>
---
scripts/lib/wic/plugins/imager/direct.py | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/scripts/lib/wic/plugins/imager/direct.py b/scripts/lib/wic/plugins/imager/direct.py
index f20d8433f1..fe9b688ab0 100644
--- a/scripts/lib/wic/plugins/imager/direct.py
+++ b/scripts/lib/wic/plugins/imager/direct.py
@@ -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 = []
--
2.13.2
reply other threads:[~2017-07-28 14:18 UTC|newest]
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