[oe-commits] Jonathan Liu : boot-directdisk: ensure generated MBR disk signature is non-zero
git at git.openembedded.org
git at git.openembedded.org
Mon Sep 30 20:57:12 UTC 2013
Module: openembedded-core.git
Branch: master-next
Commit: b6cafb1fcd6c168f8f4a4d2d5c74f3b425f156f3
URL: http://git.openembedded.org/?p=openembedded-core.git&a=commit;h=b6cafb1fcd6c168f8f4a4d2d5c74f3b425f156f3
Author: Jonathan Liu <net147 at gmail.com>
Date: Fri Sep 27 01:30:10 2013 +0000
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 at gmail.com>
Signed-off-by: Saul Wold <sgw at linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
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 c58c6f0..0f64b44 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
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