usb: core: Simplify return value of usb_get_configuration()
It is better to initialize the return value "result" to -ENOMEM than to 0. And because "result" takes the return value of usb_parse_configuration() which returns 0 for success, setting "result" to 0 at before and after of the for loop is unnecessary. Signed-off-by: NSuwan Kim <suwan.kim027@gmail.com> Acked-by: NAlan Stern <stern@rowland.harvard.edu> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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