Warnings before patch:
files: ['Documentation/bpf/kfuncs.rst', 'kernel/bpf/helpers.c', 'kernel/bpf/verifier.c']
Warning: kernel/bpf/helpers.c:2813 No description found for return value of 'bpf_task_acquire'
Warning: kernel/bpf/helpers.c:2842 No description found for return value of 'bpf_cgroup_acquire'
Warning: kernel/bpf/helpers.c:2872 No description found for return value of 'bpf_cgroup_ancestor'
Warning: kernel/bpf/helpers.c:2892 No description found for return value of 'bpf_cgroup_from_id'
Warning: kernel/bpf/helpers.c:2913 No description found for return value of 'bpf_task_under_cgroup'
Warning: kernel/bpf/helpers.c:2956 No description found for return value of 'bpf_task_get_cgroup1'
Warning: kernel/bpf/helpers.c:2972 No description found for return value of 'bpf_task_from_pid'
Warning: kernel/bpf/helpers.c:2991 No description found for return value of 'bpf_task_from_vpid'
Warning: kernel/bpf/helpers.c:3229 No description found for return value of 'bpf_dynptr_copy'
Warning: kernel/bpf/helpers.c:3283 No description found for return value of 'bpf_dynptr_memset'
Warning: kernel/bpf/helpers.c:3503 No description found for return value of 'bpf_iter_bits_new'
Warning: kernel/bpf/helpers.c:3564 No description found for return value of 'bpf_iter_bits_next'
Warning: kernel/bpf/helpers.c:3614 No description found for return value of 'bpf_copy_from_user_str'
Warning: kernel/bpf/helpers.c:2813 No description found for return value of 'bpf_task_acquire'
Warning: kernel/bpf/helpers.c:2842 No description found for return value of 'bpf_cgroup_acquire'
Warning: kernel/bpf/helpers.c:2872 No description found for return value of 'bpf_cgroup_ancestor'
Warning: kernel/bpf/helpers.c:2892 No description found for return value of 'bpf_cgroup_from_id'
Warning: kernel/bpf/helpers.c:2913 No description found for return value of 'bpf_task_under_cgroup'
Warning: kernel/bpf/helpers.c:2956 No description found for return value of 'bpf_task_get_cgroup1'
Warning: kernel/bpf/helpers.c:2972 No description found for return value of 'bpf_task_from_pid'
Warning: kernel/bpf/helpers.c:2991 No description found for return value of 'bpf_task_from_vpid'
Warning: kernel/bpf/helpers.c:3229 No description found for return value of 'bpf_dynptr_copy'
Warning: kernel/bpf/helpers.c:3283 No description found for return value of 'bpf_dynptr_memset'
Warning: kernel/bpf/helpers.c:3503 No description found for return value of 'bpf_iter_bits_new'
Warning: kernel/bpf/helpers.c:3564 No description found for return value of 'bpf_iter_bits_next'
Warning: kernel/bpf/helpers.c:3614 No description found for return value of 'bpf_copy_from_user_str'

Current warnings:
files: ['Documentation/bpf/kfuncs.rst', 'kernel/bpf/helpers.c', 'kernel/bpf/verifier.c']
Warning: kernel/bpf/helpers.c:2815 No description found for return value of 'bpf_task_acquire'
Warning: kernel/bpf/helpers.c:2844 No description found for return value of 'bpf_cgroup_acquire'
Warning: kernel/bpf/helpers.c:2874 No description found for return value of 'bpf_cgroup_ancestor'
Warning: kernel/bpf/helpers.c:2894 No description found for return value of 'bpf_cgroup_from_id'
Warning: kernel/bpf/helpers.c:2915 No description found for return value of 'bpf_task_under_cgroup'
Warning: kernel/bpf/helpers.c:2958 No description found for return value of 'bpf_task_get_cgroup1'
Warning: kernel/bpf/helpers.c:2974 No description found for return value of 'bpf_task_from_pid'
Warning: kernel/bpf/helpers.c:2993 No description found for return value of 'bpf_task_from_vpid'
Warning: kernel/bpf/helpers.c:3231 No description found for return value of 'bpf_dynptr_copy'
Warning: kernel/bpf/helpers.c:3285 No description found for return value of 'bpf_dynptr_memset'
Warning: kernel/bpf/helpers.c:3505 No description found for return value of 'bpf_iter_bits_new'
Warning: kernel/bpf/helpers.c:3566 No description found for return value of 'bpf_iter_bits_next'
Warning: kernel/bpf/helpers.c:3616 No description found for return value of 'bpf_copy_from_user_str'
Warning: kernel/bpf/helpers.c:2815 No description found for return value of 'bpf_task_acquire'
Warning: kernel/bpf/helpers.c:2844 No description found for return value of 'bpf_cgroup_acquire'
Warning: kernel/bpf/helpers.c:2874 No description found for return value of 'bpf_cgroup_ancestor'
Warning: kernel/bpf/helpers.c:2894 No description found for return value of 'bpf_cgroup_from_id'
Warning: kernel/bpf/helpers.c:2915 No description found for return value of 'bpf_task_under_cgroup'
Warning: kernel/bpf/helpers.c:2958 No description found for return value of 'bpf_task_get_cgroup1'
Warning: kernel/bpf/helpers.c:2974 No description found for return value of 'bpf_task_from_pid'
Warning: kernel/bpf/helpers.c:2993 No description found for return value of 'bpf_task_from_vpid'
Warning: kernel/bpf/helpers.c:3231 No description found for return value of 'bpf_dynptr_copy'
Warning: kernel/bpf/helpers.c:3285 No description found for return value of 'bpf_dynptr_memset'
Warning: kernel/bpf/helpers.c:3505 No description found for return value of 'bpf_iter_bits_new'
Warning: kernel/bpf/helpers.c:3566 No description found for return value of 'bpf_iter_bits_next'
Warning: kernel/bpf/helpers.c:3616 No description found for return value of 'bpf_copy_from_user_str'

Warnings before: 26 after: 26