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authorJonathan Liu <net147@gmail.com>2017-07-29 00:45:27 +1000
committerRichard Purdie <richard.purdie@linuxfoundation.org>2017-07-30 08:45:13 +0100
commitf53b5555d6eaa171bc5882cfee807cf62576862d (patch)
treee1f32c106a8db192aeafcd62ee247ed1a63c9f57 /scripts
parent5002004b891895654cbad53555ee46e2ed188630 (diff)
downloadopenembedded-core-contrib-f53b5555d6eaa171bc5882cfee807cf62576862d.tar.gz
wic: ensure generated disk system identifier is non-zero
Zero may be interpreted as no MBR signature present and another partitioning program might install a new MBR signature. Signed-off-by: Jonathan Liu <net147@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'scripts')
-rw-r--r--scripts/lib/wic/plugins/imager/direct.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/scripts/lib/wic/plugins/imager/direct.py b/scripts/lib/wic/plugins/imager/direct.py
index 0a65a9c58d..51bdd3a984 100644
--- a/scripts/lib/wic/plugins/imager/direct.py
+++ b/scripts/lib/wic/plugins/imager/direct.py
@@ -303,7 +303,7 @@ 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 = []