UPSTREAM: drivers/android: remove redundant ret variable

Return value from list_lru_count() directly instead
of taking this in another redundant variable.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Minghao Chi <chi.minghao@zte.com.cn>
Signed-off-by: CGEL ZTE <cgel.zte@gmail.com>
Link: https://lore.kernel.org/r/20220104113500.602158-1-chi.minghao@zte.com.cn


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Bug: 254650075
Bug: 320576997
(cherry picked from commit b2fb28de)
Change-Id: Ibe0d4a6c93a860e8ca2a3308a7073fa2eff9e785
Signed-off-by: Carlos Llamas <cmllamas@google.com>
Signed-off-by: Rick Yiu <rickyiu@google.com>