Warnings before patch: files: ['include/linux/rcupdate.h', 'kernel/bpf/core.c', 'kernel/bpf/helpers.c', 'kernel/bpf/memalloc.c', 'kernel/bpf/syscall.c'] Warning: include/linux/rcupdate.h:75 No description found for return value of 'same_state_synchronize_rcu' Warning: include/linux/rcupdate.h:217 No description found for return value of 'rcu_trace_implies_rcu_gp' Warning: include/linux/rcupdate.h:1179 No description found for return value of 'rcu_head_after_call_rcu' Warning: kernel/bpf/helpers.c:2718 No description found for return value of 'bpf_task_acquire' Warning: kernel/bpf/helpers.c:2747 No description found for return value of 'bpf_cgroup_acquire' Warning: kernel/bpf/helpers.c:2777 No description found for return value of 'bpf_cgroup_ancestor' Warning: kernel/bpf/helpers.c:2797 No description found for return value of 'bpf_cgroup_from_id' Warning: kernel/bpf/helpers.c:2818 No description found for return value of 'bpf_task_under_cgroup' Warning: kernel/bpf/helpers.c:2861 No description found for return value of 'bpf_task_get_cgroup1' Warning: kernel/bpf/helpers.c:2877 No description found for return value of 'bpf_task_from_pid' Warning: kernel/bpf/helpers.c:2896 No description found for return value of 'bpf_task_from_vpid' Warning: kernel/bpf/helpers.c:3134 No description found for return value of 'bpf_dynptr_copy' Warning: kernel/bpf/helpers.c:3188 No description found for return value of 'bpf_dynptr_memset' Warning: kernel/bpf/helpers.c:3408 No description found for return value of 'bpf_iter_bits_new' Warning: kernel/bpf/helpers.c:3469 No description found for return value of 'bpf_iter_bits_next' Warning: kernel/bpf/helpers.c:3519 No description found for return value of 'bpf_copy_from_user_str' Warning: include/linux/rcupdate.h:75 No description found for return value of 'same_state_synchronize_rcu' Warning: include/linux/rcupdate.h:217 No description found for return value of 'rcu_trace_implies_rcu_gp' Warning: include/linux/rcupdate.h:1179 No description found for return value of 'rcu_head_after_call_rcu' Warning: kernel/bpf/helpers.c:2718 No description found for return value of 'bpf_task_acquire' Warning: kernel/bpf/helpers.c:2747 No description found for return value of 'bpf_cgroup_acquire' Warning: kernel/bpf/helpers.c:2777 No description found for return value of 'bpf_cgroup_ancestor' Warning: kernel/bpf/helpers.c:2797 No description found for return value of 'bpf_cgroup_from_id' Warning: kernel/bpf/helpers.c:2818 No description found for return value of 'bpf_task_under_cgroup' Warning: kernel/bpf/helpers.c:2861 No description found for return value of 'bpf_task_get_cgroup1' Warning: kernel/bpf/helpers.c:2877 No description found for return value of 'bpf_task_from_pid' Warning: kernel/bpf/helpers.c:2896 No description found for return value of 'bpf_task_from_vpid' Warning: kernel/bpf/helpers.c:3134 No description found for return value of 'bpf_dynptr_copy' Warning: kernel/bpf/helpers.c:3188 No description found for return value of 'bpf_dynptr_memset' Warning: kernel/bpf/helpers.c:3408 No description found for return value of 'bpf_iter_bits_new' Warning: kernel/bpf/helpers.c:3469 No description found for return value of 'bpf_iter_bits_next' Warning: kernel/bpf/helpers.c:3519 No description found for return value of 'bpf_copy_from_user_str' Current warnings: files: ['include/linux/rcupdate.h', 'kernel/bpf/core.c', 'kernel/bpf/helpers.c', 'kernel/bpf/memalloc.c', 'kernel/bpf/syscall.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: kernel/bpf/helpers.c:2718 No description found for return value of 'bpf_task_acquire' Warning: kernel/bpf/helpers.c:2747 No description found for return value of 'bpf_cgroup_acquire' Warning: kernel/bpf/helpers.c:2777 No description found for return value of 'bpf_cgroup_ancestor' Warning: kernel/bpf/helpers.c:2797 No description found for return value of 'bpf_cgroup_from_id' Warning: kernel/bpf/helpers.c:2818 No description found for return value of 'bpf_task_under_cgroup' Warning: kernel/bpf/helpers.c:2861 No description found for return value of 'bpf_task_get_cgroup1' Warning: kernel/bpf/helpers.c:2877 No description found for return value of 'bpf_task_from_pid' Warning: kernel/bpf/helpers.c:2896 No description found for return value of 'bpf_task_from_vpid' Warning: kernel/bpf/helpers.c:3134 No description found for return value of 'bpf_dynptr_copy' Warning: kernel/bpf/helpers.c:3188 No description found for return value of 'bpf_dynptr_memset' Warning: kernel/bpf/helpers.c:3408 No description found for return value of 'bpf_iter_bits_new' Warning: kernel/bpf/helpers.c:3469 No description found for return value of 'bpf_iter_bits_next' Warning: kernel/bpf/helpers.c:3519 No description found for return value of 'bpf_copy_from_user_str' 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: kernel/bpf/helpers.c:2718 No description found for return value of 'bpf_task_acquire' Warning: kernel/bpf/helpers.c:2747 No description found for return value of 'bpf_cgroup_acquire' Warning: kernel/bpf/helpers.c:2777 No description found for return value of 'bpf_cgroup_ancestor' Warning: kernel/bpf/helpers.c:2797 No description found for return value of 'bpf_cgroup_from_id' Warning: kernel/bpf/helpers.c:2818 No description found for return value of 'bpf_task_under_cgroup' Warning: kernel/bpf/helpers.c:2861 No description found for return value of 'bpf_task_get_cgroup1' Warning: kernel/bpf/helpers.c:2877 No description found for return value of 'bpf_task_from_pid' Warning: kernel/bpf/helpers.c:2896 No description found for return value of 'bpf_task_from_vpid' Warning: kernel/bpf/helpers.c:3134 No description found for return value of 'bpf_dynptr_copy' Warning: kernel/bpf/helpers.c:3188 No description found for return value of 'bpf_dynptr_memset' Warning: kernel/bpf/helpers.c:3408 No description found for return value of 'bpf_iter_bits_new' Warning: kernel/bpf/helpers.c:3469 No description found for return value of 'bpf_iter_bits_next' Warning: kernel/bpf/helpers.c:3519 No description found for return value of 'bpf_copy_from_user_str' Warnings before: 32 after: 30 (del: 2) Warnings removed: Warning: include/linux/rcupdate.h:217 No description found for return value of 'rcu_trace_implies_rcu_gp' Warning: include/linux/rcupdate.h:217 No description found for return value of 'rcu_trace_implies_rcu_gp' Per-file breakdown: 2 include/linux/rcupdate.h