Warnings before patch:
files: ['kernel/bpf/helpers.c']
<parse fail>: Warning: kernel/bpf/helpers.c:2489 No description found for return value of 'bpf_task_acquire'
<parse fail>: Warning: kernel/bpf/helpers.c:2518 No description found for return value of 'bpf_cgroup_acquire'
<parse fail>: Warning: kernel/bpf/helpers.c:2548 No description found for return value of 'bpf_cgroup_ancestor'
<parse fail>: Warning: kernel/bpf/helpers.c:2568 No description found for return value of 'bpf_cgroup_from_id'
<parse fail>: Warning: kernel/bpf/helpers.c:2589 No description found for return value of 'bpf_task_under_cgroup'
<parse fail>: Warning: kernel/bpf/helpers.c:2632 No description found for return value of 'bpf_task_get_cgroup1'
<parse fail>: Warning: kernel/bpf/helpers.c:2648 No description found for return value of 'bpf_task_from_pid'
<parse fail>: Warning: kernel/bpf/helpers.c:2667 No description found for return value of 'bpf_task_from_vpid'
<parse fail>: Warning: kernel/bpf/helpers.c:2902 No description found for return value of 'bpf_dynptr_copy'
<parse fail>: Warning: kernel/bpf/helpers.c:2956 No description found for return value of 'bpf_dynptr_memset'
<parse fail>: Warning: kernel/bpf/helpers.c:3170 No description found for return value of 'bpf_iter_bits_new'
<parse fail>: Warning: kernel/bpf/helpers.c:3231 No description found for return value of 'bpf_iter_bits_next'
<parse fail>: Warning: kernel/bpf/helpers.c:3281 No description found for return value of 'bpf_copy_from_user_str'
Warning: kernel/bpf/helpers.c:2489 No description found for return value of 'bpf_task_acquire'
Warning: kernel/bpf/helpers.c:2518 No description found for return value of 'bpf_cgroup_acquire'
Warning: kernel/bpf/helpers.c:2548 No description found for return value of 'bpf_cgroup_ancestor'
Warning: kernel/bpf/helpers.c:2568 No description found for return value of 'bpf_cgroup_from_id'
Warning: kernel/bpf/helpers.c:2589 No description found for return value of 'bpf_task_under_cgroup'
Warning: kernel/bpf/helpers.c:2632 No description found for return value of 'bpf_task_get_cgroup1'
Warning: kernel/bpf/helpers.c:2648 No description found for return value of 'bpf_task_from_pid'
Warning: kernel/bpf/helpers.c:2667 No description found for return value of 'bpf_task_from_vpid'
Warning: kernel/bpf/helpers.c:2902 No description found for return value of 'bpf_dynptr_copy'
Warning: kernel/bpf/helpers.c:2956 No description found for return value of 'bpf_dynptr_memset'
Warning: kernel/bpf/helpers.c:3170 No description found for return value of 'bpf_iter_bits_new'
Warning: kernel/bpf/helpers.c:3231 No description found for return value of 'bpf_iter_bits_next'
Warning: kernel/bpf/helpers.c:3281 No description found for return value of 'bpf_copy_from_user_str'

Current warnings:
files: ['kernel/bpf/helpers.c']
<parse fail>: Warning: kernel/bpf/helpers.c:2498 No description found for return value of 'bpf_task_acquire'
<parse fail>: Warning: kernel/bpf/helpers.c:2527 No description found for return value of 'bpf_cgroup_acquire'
<parse fail>: Warning: kernel/bpf/helpers.c:2557 No description found for return value of 'bpf_cgroup_ancestor'
<parse fail>: Warning: kernel/bpf/helpers.c:2577 No description found for return value of 'bpf_cgroup_from_id'
<parse fail>: Warning: kernel/bpf/helpers.c:2598 No description found for return value of 'bpf_task_under_cgroup'
<parse fail>: Warning: kernel/bpf/helpers.c:2641 No description found for return value of 'bpf_task_get_cgroup1'
<parse fail>: Warning: kernel/bpf/helpers.c:2657 No description found for return value of 'bpf_task_from_pid'
<parse fail>: Warning: kernel/bpf/helpers.c:2676 No description found for return value of 'bpf_task_from_vpid'
<parse fail>: Warning: kernel/bpf/helpers.c:2911 No description found for return value of 'bpf_dynptr_copy'
<parse fail>: Warning: kernel/bpf/helpers.c:2965 No description found for return value of 'bpf_dynptr_memset'
<parse fail>: Warning: kernel/bpf/helpers.c:3179 No description found for return value of 'bpf_iter_bits_new'
<parse fail>: Warning: kernel/bpf/helpers.c:3240 No description found for return value of 'bpf_iter_bits_next'
<parse fail>: Warning: kernel/bpf/helpers.c:3290 No description found for return value of 'bpf_copy_from_user_str'
Warning: kernel/bpf/helpers.c:2498 No description found for return value of 'bpf_task_acquire'
Warning: kernel/bpf/helpers.c:2527 No description found for return value of 'bpf_cgroup_acquire'
Warning: kernel/bpf/helpers.c:2557 No description found for return value of 'bpf_cgroup_ancestor'
Warning: kernel/bpf/helpers.c:2577 No description found for return value of 'bpf_cgroup_from_id'
Warning: kernel/bpf/helpers.c:2598 No description found for return value of 'bpf_task_under_cgroup'
Warning: kernel/bpf/helpers.c:2641 No description found for return value of 'bpf_task_get_cgroup1'
Warning: kernel/bpf/helpers.c:2657 No description found for return value of 'bpf_task_from_pid'
Warning: kernel/bpf/helpers.c:2676 No description found for return value of 'bpf_task_from_vpid'
Warning: kernel/bpf/helpers.c:2911 No description found for return value of 'bpf_dynptr_copy'
Warning: kernel/bpf/helpers.c:2965 No description found for return value of 'bpf_dynptr_memset'
Warning: kernel/bpf/helpers.c:3179 No description found for return value of 'bpf_iter_bits_new'
Warning: kernel/bpf/helpers.c:3240 No description found for return value of 'bpf_iter_bits_next'
Warning: kernel/bpf/helpers.c:3290 No description found for return value of 'bpf_copy_from_user_str'

Warnings before: 13 after: 13