Warnings before patch:
files: ['kernel/bpf/stream.c', 'tools/bpf/bpftool/Documentation/bpftool-prog.rst', 'tools/testing/selftests/bpf/progs/stream_fail.c', 'kernel/bpf/helpers.c', 'tools/lib/bpf/bpf_helpers.h']
Warning: kernel/bpf/helpers.c:2468 No description found for return value of 'bpf_task_acquire'
Warning: kernel/bpf/helpers.c:2497 No description found for return value of 'bpf_cgroup_acquire'
Warning: kernel/bpf/helpers.c:2527 No description found for return value of 'bpf_cgroup_ancestor'
Warning: kernel/bpf/helpers.c:2547 No description found for return value of 'bpf_cgroup_from_id'
Warning: kernel/bpf/helpers.c:2568 No description found for return value of 'bpf_task_under_cgroup'
Warning: kernel/bpf/helpers.c:2611 No description found for return value of 'bpf_task_get_cgroup1'
Warning: kernel/bpf/helpers.c:2627 No description found for return value of 'bpf_task_from_pid'
Warning: kernel/bpf/helpers.c:2646 No description found for return value of 'bpf_task_from_vpid'
Warning: kernel/bpf/helpers.c:2881 No description found for return value of 'bpf_dynptr_copy'
Warning: kernel/bpf/helpers.c:2935 No description found for return value of 'bpf_dynptr_memset'
Warning: kernel/bpf/helpers.c:3149 No description found for return value of 'bpf_iter_bits_new'
Warning: kernel/bpf/helpers.c:3210 No description found for return value of 'bpf_iter_bits_next'
Warning: kernel/bpf/helpers.c:3260 No description found for return value of 'bpf_copy_from_user_str'

Current warnings:
files: ['kernel/bpf/stream.c', 'tools/bpf/bpftool/Documentation/bpftool-prog.rst', 'tools/testing/selftests/bpf/progs/stream_fail.c', 'kernel/bpf/helpers.c', 'tools/lib/bpf/bpf_helpers.h']
Warning: kernel/bpf/helpers.c:2468 No description found for return value of 'bpf_task_acquire'
Warning: kernel/bpf/helpers.c:2497 No description found for return value of 'bpf_cgroup_acquire'
Warning: kernel/bpf/helpers.c:2527 No description found for return value of 'bpf_cgroup_ancestor'
Warning: kernel/bpf/helpers.c:2547 No description found for return value of 'bpf_cgroup_from_id'
Warning: kernel/bpf/helpers.c:2568 No description found for return value of 'bpf_task_under_cgroup'
Warning: kernel/bpf/helpers.c:2611 No description found for return value of 'bpf_task_get_cgroup1'
Warning: kernel/bpf/helpers.c:2627 No description found for return value of 'bpf_task_from_pid'
Warning: kernel/bpf/helpers.c:2646 No description found for return value of 'bpf_task_from_vpid'
Warning: kernel/bpf/helpers.c:2881 No description found for return value of 'bpf_dynptr_copy'
Warning: kernel/bpf/helpers.c:2935 No description found for return value of 'bpf_dynptr_memset'
Warning: kernel/bpf/helpers.c:3149 No description found for return value of 'bpf_iter_bits_new'
Warning: kernel/bpf/helpers.c:3210 No description found for return value of 'bpf_iter_bits_next'
Warning: kernel/bpf/helpers.c:3260 No description found for return value of 'bpf_copy_from_user_str'

Warnings before: 13 after: 13