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author | Jonathan Liu <net147@gmail.com> | 2013-09-27 01:30:10 +0000 |
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committer | Richard Purdie <richard.purdie@linuxfoundation.org> | 2013-09-30 22:03:23 +0100 |
commit | b6cafb1fcd6c168f8f4a4d2d5c74f3b425f156f3 (patch) | |
tree | 79dbb68b1df9bef748a6a5d46596302f8e6ad988 /meta/classes | |
parent | 254899824900f2e8c6a34d2ad1b8cbea91acb4ae (diff) | |
download | openembedded-core-b6cafb1fcd6c168f8f4a4d2d5c74f3b425f156f3.tar.gz |
boot-directdisk: ensure generated MBR disk signature is non-zero
A zero MBR disk signature is generally seen as no signature and
another partitioning program might install a new signature.
Signed-off-by: Jonathan Liu <net147@gmail.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta/classes')
-rw-r--r-- | meta/classes/boot-directdisk.bbclass | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/meta/classes/boot-directdisk.bbclass b/meta/classes/boot-directdisk.bbclass index c58c6f0c53..0f64b44f87 100644 --- a/meta/classes/boot-directdisk.bbclass +++ b/meta/classes/boot-directdisk.bbclass @@ -148,7 +148,11 @@ python do_bootdirectdisk() { def generate_disk_signature(): import uuid - return str(uuid.uuid4())[:8] + while True: + signature = str(uuid.uuid4())[:8] + + if signature != '00000000': + return signature def validate_disk_signature(d): import re |