In lowpri_thread if sem_wait fail nwaiting will not be set even
though the rest of the function uses it. This is a failure
so really just handling the compiler warning with this.
Signed-off-by: Brennan Ashton <bashton@brennanashton.com>
1.Remove void cast for function because many place ignore the returned value witout cast
2.Replace void cast for variable with UNUSED macro
Change-Id: Ie644129a563244a6397036789c4c3ea83c4e9b09
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
