Warnings before patch:
files: ['include/linux/btf.h', 'include/linux/compiler_types.h', 'kernel/bpf/helpers.c', 'kernel/bpf/verifier.c', 'tools/testing/selftests/bpf/test_kmods/bpf_testmod.c']
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: 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/btf.h', 'include/linux/compiler_types.h', 'kernel/bpf/helpers.c', 'kernel/bpf/verifier.c', 'tools/testing/selftests/bpf/test_kmods/bpf_testmod.c']
Warning: kernel/bpf/helpers.c:2726 No description found for return value of 'bpf_task_acquire'
Warning: kernel/bpf/helpers.c:2755 No description found for return value of 'bpf_cgroup_acquire'
Warning: kernel/bpf/helpers.c:2785 No description found for return value of 'bpf_cgroup_ancestor'
Warning: kernel/bpf/helpers.c:2805 No description found for return value of 'bpf_cgroup_from_id'
Warning: kernel/bpf/helpers.c:2826 No description found for return value of 'bpf_task_under_cgroup'
Warning: kernel/bpf/helpers.c:2869 No description found for return value of 'bpf_task_get_cgroup1'
Warning: kernel/bpf/helpers.c:2885 No description found for return value of 'bpf_task_from_pid'
Warning: kernel/bpf/helpers.c:2904 No description found for return value of 'bpf_task_from_vpid'
Warning: kernel/bpf/helpers.c:3142 No description found for return value of 'bpf_dynptr_copy'
Warning: kernel/bpf/helpers.c:3196 No description found for return value of 'bpf_dynptr_memset'
Warning: kernel/bpf/helpers.c:3416 No description found for return value of 'bpf_iter_bits_new'
Warning: kernel/bpf/helpers.c:3477 No description found for return value of 'bpf_iter_bits_next'
Warning: kernel/bpf/helpers.c:3527 No description found for return value of 'bpf_copy_from_user_str'
Warning: kernel/bpf/helpers.c:2726 No description found for return value of 'bpf_task_acquire'
Warning: kernel/bpf/helpers.c:2755 No description found for return value of 'bpf_cgroup_acquire'
Warning: kernel/bpf/helpers.c:2785 No description found for return value of 'bpf_cgroup_ancestor'
Warning: kernel/bpf/helpers.c:2805 No description found for return value of 'bpf_cgroup_from_id'
Warning: kernel/bpf/helpers.c:2826 No description found for return value of 'bpf_task_under_cgroup'
Warning: kernel/bpf/helpers.c:2869 No description found for return value of 'bpf_task_get_cgroup1'
Warning: kernel/bpf/helpers.c:2885 No description found for return value of 'bpf_task_from_pid'
Warning: kernel/bpf/helpers.c:2904 No description found for return value of 'bpf_task_from_vpid'
Warning: kernel/bpf/helpers.c:3142 No description found for return value of 'bpf_dynptr_copy'
Warning: kernel/bpf/helpers.c:3196 No description found for return value of 'bpf_dynptr_memset'
Warning: kernel/bpf/helpers.c:3416 No description found for return value of 'bpf_iter_bits_new'
Warning: kernel/bpf/helpers.c:3477 No description found for return value of 'bpf_iter_bits_next'
Warning: kernel/bpf/helpers.c:3527 No description found for return value of 'bpf_copy_from_user_str'

Warnings before: 26 after: 26