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refactoring

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This commit is contained in:
Devaev Maxim 2020-10-03 07:54:11 +03:00
parent 400021fc81
commit 2881795f80
1 changed files with 4 additions and 4 deletions
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8
kvmd/apps/otg/__init__.py
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@ -85,12 +85,12 @@ def _write_bytes(path: str, data: bytes) -> None:
def _find_udc(udc: str) -> str:
udcs = sorted(os.listdir(f"{env.SYSFS_PREFIX}/sys/class/udc"))
candidates = sorted(os.listdir(f"{env.SYSFS_PREFIX}/sys/class/udc"))
if not udc:
if len(udcs) == 0:
if len(candidates) == 0:
raise RuntimeError("Can't find any UDC")
udc = udcs[0]
elif udc not in udcs:
udc = candidates[0]
elif udc not in candidates:
raise RuntimeError(f"Can't find selected UDC: {udc}")
get_logger().info("Using UDC %s", udc)
return udc