Enqueue the first TRB even if full_len is zero.
Without this "adb install <apk>" freezes the system.
Signed-off-by: NAlban Browaeys <alban.browaeys@gmail.com>
Fixes: 86065c27 ("xhci: don't rely on precalculated value of needed trbs in the enqueue loop")
Signed-off-by: NMathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>