Commits
Weitao Hou committed 086ebf92aa7
usb: avoid redundant allocation and free of memory If usb is not attached, it's unnessary to allocate, copy and free memory Signed-off-by: Weitao Hou <houweitaoo@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>