[oe-commits] [openembedded-core] 03/04: wic: improve generating disk system identifier
git at git.openembedded.org
git at git.openembedded.org
Thu Aug 3 10:14:39 UTC 2017
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rpurdie pushed a commit to branch master
in repository openembedded-core.
commit 5619e72facbc9228d3cf8f844f198e03b536ac8c
Author: Jonathan Liu <net147 at gmail.com>
AuthorDate: Mon Jul 31 20:53:39 2017 +1000
wic: improve generating disk system identifier
This should reduce the chance of generating 0xffffffff as the disk
system identifier.
Signed-off-by: Jonathan Liu <net147 at gmail.com>
Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
scripts/lib/wic/plugins/imager/direct.py | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/scripts/lib/wic/plugins/imager/direct.py b/scripts/lib/wic/plugins/imager/direct.py
index 51bdd3a..5765bbb 100644
--- a/scripts/lib/wic/plugins/imager/direct.py
+++ b/scripts/lib/wic/plugins/imager/direct.py
@@ -26,6 +26,7 @@
import logging
import os
+import random
import shutil
import tempfile
import uuid
@@ -303,7 +304,7 @@ 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') or 0xffffffff
+ self.identifier = random.SystemRandom().randint(1, 0xffffffff)
self.partitions = partitions
self.partimages = []
--
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