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Small performance improvement

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This commit is contained in:
Kovid Goyal 2016-01-18 21:49:36 +05:30
parent 904ade3e7c
commit 1267ef3902
1 changed files with 1 additions and 1 deletions
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2
src/calibre/devices/winusb.py
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@ -819,7 +819,7 @@ def get_usb_info(usbdev, debug=False): # {{{
break
else:
return ans
for devlist, devinfo, devpath in DeviceSet(guid=GUID_DEVINTERFACE_USB_DEVICE).interfaces(yield_devlist=True):
for devlist, devinfo in DeviceSet(guid=GUID_DEVINTERFACE_USB_DEVICE).devices():
if devinfo.DevInst == usbdev.devinst:
device_port = get_device_registry_property(devlist, byref(devinfo), SPDRP_ADDRESS)[1]
break