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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 22:11:58 +0100
commitdf18dc084e071b83d49ee42e706f203296599432 (patch)
treecf4d8167eae2e2396d86ea893caedd94baf7b661
parentcf2ebed2ff3e498b399a40d4dfba91d62d0a758b (diff)
downloadpoky-df18dc084e071b83d49ee42e706f203296599432.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. (From OE-Core rev: b6cafb1fcd6c168f8f4a4d2d5c74f3b425f156f3) 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>
-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() {
148def generate_disk_signature(): 148def generate_disk_signature():
149 import uuid 149 import uuid
150 150
151 return str(uuid.uuid4())[:8] 151 while True:
152 signature = str(uuid.uuid4())[:8]
153
154 if signature != '00000000':
155 return signature
152 156
153def validate_disk_signature(d): 157def validate_disk_signature(d):
154 import re 158 import re