Warnings before patch:
files: ['include/linux/rcupdate.h', 'kernel/rcu/tree_nocb.h', 'kernel/sched/isolation.c']
Warning: include/linux/rcupdate.h:75 No description found for return value of 'same_state_synchronize_rcu'
Warning: include/linux/rcupdate.h:1167 No description found for return value of 'rcu_head_after_call_rcu'
Warning: include/linux/rcupdate.h:75 No description found for return value of 'same_state_synchronize_rcu'
Warning: include/linux/rcupdate.h:1167 No description found for return value of 'rcu_head_after_call_rcu'

Current warnings:
files: ['include/linux/rcupdate.h', 'kernel/rcu/tree_nocb.h', 'kernel/sched/isolation.c']
Warning: include/linux/rcupdate.h:75 No description found for return value of 'same_state_synchronize_rcu'
Warning: include/linux/rcupdate.h:1169 No description found for return value of 'rcu_head_after_call_rcu'
Warning: include/linux/rcupdate.h:75 No description found for return value of 'same_state_synchronize_rcu'
Warning: include/linux/rcupdate.h:1169 No description found for return value of 'rcu_head_after_call_rcu'

Warnings before: 4 after: 4