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build_library: detach only if loop_dev exists

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This commit is contained in:
Dongsu Park 2019-06-29 16:23:09 +02:00
parent 5bc76098a5
commit 06027d670f
1 changed files with 2 additions and 1 deletions
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3
build_library/disk_util
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@ -446,7 +446,8 @@ def PartitionLoop(options, partition):
loop_dev = loop_dev.strip()
break
except:
Sudo(['losetup', '--detach', loop_dev])
if loop_dev:
Sudo(['losetup', '--detach', loop_dev])
attempts += 1
time.sleep(1)