Warnings before patch:
files: ['include/linux/filter.h', 'kernel/bpf/core.c', 'kernel/bpf/helpers.c', 'kernel/bpf/verifier.c']
Warning: kernel/bpf/helpers.c:2588 No description found for return value of 'bpf_task_acquire'
Warning: kernel/bpf/helpers.c:2617 No description found for return value of 'bpf_cgroup_acquire'
Warning: kernel/bpf/helpers.c:2647 No description found for return value of 'bpf_cgroup_ancestor'
Warning: kernel/bpf/helpers.c:2667 No description found for return value of 'bpf_cgroup_from_id'
Warning: kernel/bpf/helpers.c:2688 No description found for return value of 'bpf_task_under_cgroup'
Warning: kernel/bpf/helpers.c:2731 No description found for return value of 'bpf_task_get_cgroup1'
Warning: kernel/bpf/helpers.c:2747 No description found for return value of 'bpf_task_from_pid'
Warning: kernel/bpf/helpers.c:2766 No description found for return value of 'bpf_task_from_vpid'
Warning: kernel/bpf/helpers.c:3004 No description found for return value of 'bpf_dynptr_copy'
Warning: kernel/bpf/helpers.c:3058 No description found for return value of 'bpf_dynptr_memset'
Warning: kernel/bpf/helpers.c:3278 No description found for return value of 'bpf_iter_bits_new'
Warning: kernel/bpf/helpers.c:3339 No description found for return value of 'bpf_iter_bits_next'
Warning: kernel/bpf/helpers.c:3389 No description found for return value of 'bpf_copy_from_user_str'
Warning: kernel/bpf/helpers.c:2588 No description found for return value of 'bpf_task_acquire'
Warning: kernel/bpf/helpers.c:2617 No description found for return value of 'bpf_cgroup_acquire'
Warning: kernel/bpf/helpers.c:2647 No description found for return value of 'bpf_cgroup_ancestor'
Warning: kernel/bpf/helpers.c:2667 No description found for return value of 'bpf_cgroup_from_id'
Warning: kernel/bpf/helpers.c:2688 No description found for return value of 'bpf_task_under_cgroup'
Warning: kernel/bpf/helpers.c:2731 No description found for return value of 'bpf_task_get_cgroup1'
Warning: kernel/bpf/helpers.c:2747 No description found for return value of 'bpf_task_from_pid'
Warning: kernel/bpf/helpers.c:2766 No description found for return value of 'bpf_task_from_vpid'
Warning: kernel/bpf/helpers.c:3004 No description found for return value of 'bpf_dynptr_copy'
Warning: kernel/bpf/helpers.c:3058 No description found for return value of 'bpf_dynptr_memset'
Warning: kernel/bpf/helpers.c:3278 No description found for return value of 'bpf_iter_bits_new'
Warning: kernel/bpf/helpers.c:3339 No description found for return value of 'bpf_iter_bits_next'
Warning: kernel/bpf/helpers.c:3389 No description found for return value of 'bpf_copy_from_user_str'

Current warnings:
files: ['include/linux/filter.h', 'kernel/bpf/core.c', 'kernel/bpf/helpers.c', 'kernel/bpf/verifier.c']
Warning: kernel/bpf/helpers.c:2590 No description found for return value of 'bpf_task_acquire'
Warning: kernel/bpf/helpers.c:2619 No description found for return value of 'bpf_cgroup_acquire'
Warning: kernel/bpf/helpers.c:2649 No description found for return value of 'bpf_cgroup_ancestor'
Warning: kernel/bpf/helpers.c:2669 No description found for return value of 'bpf_cgroup_from_id'
Warning: kernel/bpf/helpers.c:2690 No description found for return value of 'bpf_task_under_cgroup'
Warning: kernel/bpf/helpers.c:2733 No description found for return value of 'bpf_task_get_cgroup1'
Warning: kernel/bpf/helpers.c:2749 No description found for return value of 'bpf_task_from_pid'
Warning: kernel/bpf/helpers.c:2768 No description found for return value of 'bpf_task_from_vpid'
Warning: kernel/bpf/helpers.c:3006 No description found for return value of 'bpf_dynptr_copy'
Warning: kernel/bpf/helpers.c:3060 No description found for return value of 'bpf_dynptr_memset'
Warning: kernel/bpf/helpers.c:3280 No description found for return value of 'bpf_iter_bits_new'
Warning: kernel/bpf/helpers.c:3341 No description found for return value of 'bpf_iter_bits_next'
Warning: kernel/bpf/helpers.c:3391 No description found for return value of 'bpf_copy_from_user_str'
Warning: kernel/bpf/helpers.c:2590 No description found for return value of 'bpf_task_acquire'
Warning: kernel/bpf/helpers.c:2619 No description found for return value of 'bpf_cgroup_acquire'
Warning: kernel/bpf/helpers.c:2649 No description found for return value of 'bpf_cgroup_ancestor'
Warning: kernel/bpf/helpers.c:2669 No description found for return value of 'bpf_cgroup_from_id'
Warning: kernel/bpf/helpers.c:2690 No description found for return value of 'bpf_task_under_cgroup'
Warning: kernel/bpf/helpers.c:2733 No description found for return value of 'bpf_task_get_cgroup1'
Warning: kernel/bpf/helpers.c:2749 No description found for return value of 'bpf_task_from_pid'
Warning: kernel/bpf/helpers.c:2768 No description found for return value of 'bpf_task_from_vpid'
Warning: kernel/bpf/helpers.c:3006 No description found for return value of 'bpf_dynptr_copy'
Warning: kernel/bpf/helpers.c:3060 No description found for return value of 'bpf_dynptr_memset'
Warning: kernel/bpf/helpers.c:3280 No description found for return value of 'bpf_iter_bits_new'
Warning: kernel/bpf/helpers.c:3341 No description found for return value of 'bpf_iter_bits_next'
Warning: kernel/bpf/helpers.c:3391 No description found for return value of 'bpf_copy_from_user_str'

Warnings before: 26 after: 26