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authorJonathan Liu <net147@gmail.com>2013-09-27 01:30:10 +0000
committerRichard Purdie <richard.purdie@linuxfoundation.org>2013-09-30 22:03:23 +0100
commitb6cafb1fcd6c168f8f4a4d2d5c74f3b425f156f3 (patch)
tree79dbb68b1df9bef748a6a5d46596302f8e6ad988 /meta/classes
parent254899824900f2e8c6a34d2ad1b8cbea91acb4ae (diff)
downloadopenembedded-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.bbclass6
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