tools/testing/selftests/bpf/cgroup_helpers.c:121: warning: No description found for return value of 'enable_controllers'
tools/testing/selftests/bpf/cgroup_helpers.c:160: warning: No description found for return value of 'read_cgroup_file'
tools/testing/selftests/bpf/cgroup_helpers.c:201: warning: No description found for return value of 'write_cgroup_file'
tools/testing/selftests/bpf/cgroup_helpers.c:222: warning: No description found for return value of 'write_cgroup_file_parent'
tools/testing/selftests/bpf/cgroup_helpers.c:239: warning: No description found for return value of 'setup_cgroup_environment'
tools/testing/selftests/bpf/cgroup_helpers.c:325: warning: No description found for return value of 'join_cgroup'
tools/testing/selftests/bpf/cgroup_helpers.c:340: warning: No description found for return value of 'join_root_cgroup'
tools/testing/selftests/bpf/cgroup_helpers.c:353: warning: No description found for return value of 'join_parent_cgroup'
tools/testing/selftests/bpf/cgroup_helpers.c:403: warning: No description found for return value of 'get_root_cgroup'
tools/testing/selftests/bpf/cgroup_helpers.c:444: warning: No description found for return value of 'create_and_get_cgroup'
tools/testing/selftests/bpf/cgroup_helpers.c:472: warning: No description found for return value of 'get_cgroup_id_from_path'
tools/testing/selftests/bpf/cgroup_helpers.c:560: warning: No description found for return value of 'setup_classid_environment'
tools/testing/selftests/bpf/cgroup_helpers.c:614: warning: No description found for return value of 'set_classid'
tools/testing/selftests/bpf/cgroup_helpers.c:648: warning: No description found for return value of 'join_classid'
tools/testing/selftests/bpf/cgroup_helpers.c:676: warning: No description found for return value of 'get_classid_cgroup_id'
tools/testing/selftests/bpf/cgroup_helpers.c:690: warning: No description found for return value of 'get_cgroup1_hierarchy_id'
tools/testing/selftests/bpf/cgroup_helpers.c:744: warning: No description found for return value of 'open_classid'
tools/testing/selftests/bpf/cgroup_helpers.c:121: warning: No description found for return value of 'enable_controllers'
tools/testing/selftests/bpf/cgroup_helpers.c:149: warning: No description found for return value of 'open_cgroup_file'
tools/testing/selftests/bpf/cgroup_helpers.c:188: warning: No description found for return value of 'read_cgroup_file'
tools/testing/selftests/bpf/cgroup_helpers.c:229: warning: No description found for return value of 'write_cgroup_file'
tools/testing/selftests/bpf/cgroup_helpers.c:250: warning: No description found for return value of 'write_cgroup_file_parent'
tools/testing/selftests/bpf/cgroup_helpers.c:267: warning: No description found for return value of 'setup_cgroup_environment'
tools/testing/selftests/bpf/cgroup_helpers.c:353: warning: No description found for return value of 'join_cgroup'
tools/testing/selftests/bpf/cgroup_helpers.c:368: warning: No description found for return value of 'join_root_cgroup'
tools/testing/selftests/bpf/cgroup_helpers.c:381: warning: No description found for return value of 'join_parent_cgroup'
tools/testing/selftests/bpf/cgroup_helpers.c:431: warning: No description found for return value of 'get_root_cgroup'
tools/testing/selftests/bpf/cgroup_helpers.c:472: warning: No description found for return value of 'create_and_get_cgroup'
tools/testing/selftests/bpf/cgroup_helpers.c:500: warning: No description found for return value of 'get_cgroup_id_from_path'
tools/testing/selftests/bpf/cgroup_helpers.c:588: warning: No description found for return value of 'setup_classid_environment'
tools/testing/selftests/bpf/cgroup_helpers.c:642: warning: No description found for return value of 'set_classid'
tools/testing/selftests/bpf/cgroup_helpers.c:676: warning: No description found for return value of 'join_classid'
tools/testing/selftests/bpf/cgroup_helpers.c:704: warning: No description found for return value of 'get_classid_cgroup_id'
tools/testing/selftests/bpf/cgroup_helpers.c:718: warning: No description found for return value of 'get_cgroup1_hierarchy_id'
tools/testing/selftests/bpf/cgroup_helpers.c:772: warning: No description found for return value of 'open_classid'
New warnings added
2,17c2,18
< tools/testing/selftests/bpf/cgroup_helpers.c:160: warning: No description found for return value of 'read_cgroup_file'
< tools/testing/selftests/bpf/cgroup_helpers.c:201: warning: No description found for return value of 'write_cgroup_file'
< tools/testing/selftests/bpf/cgroup_helpers.c:222: warning: No description found for return value of 'write_cgroup_file_parent'
< tools/testing/selftests/bpf/cgroup_helpers.c:239: warning: No description found for return value of 'setup_cgroup_environment'
< tools/testing/selftests/bpf/cgroup_helpers.c:325: warning: No description found for return value of 'join_cgroup'
< tools/testing/selftests/bpf/cgroup_helpers.c:340: warning: No description found for return value of 'join_root_cgroup'
< tools/testing/selftests/bpf/cgroup_helpers.c:353: warning: No description found for return value of 'join_parent_cgroup'
< tools/testing/selftests/bpf/cgroup_helpers.c:403: warning: No description found for return value of 'get_root_cgroup'
< tools/testing/selftests/bpf/cgroup_helpers.c:444: warning: No description found for return value of 'create_and_get_cgroup'
< tools/testing/selftests/bpf/cgroup_helpers.c:472: warning: No description found for return value of 'get_cgroup_id_from_path'
< tools/testing/selftests/bpf/cgroup_helpers.c:560: warning: No description found for return value of 'setup_classid_environment'
< tools/testing/selftests/bpf/cgroup_helpers.c:614: warning: No description found for return value of 'set_classid'
< tools/testing/selftests/bpf/cgroup_helpers.c:648: warning: No description found for return value of 'join_classid'
< tools/testing/selftests/bpf/cgroup_helpers.c:676: warning: No description found for return value of 'get_classid_cgroup_id'
< tools/testing/selftests/bpf/cgroup_helpers.c:690: warning: No description found for return value of 'get_cgroup1_hierarchy_id'
< tools/testing/selftests/bpf/cgroup_helpers.c:744: warning: No description found for return value of 'open_classid'
---
> tools/testing/selftests/bpf/cgroup_helpers.c:149: warning: No description found for return value of 'open_cgroup_file'
> tools/testing/selftests/bpf/cgroup_helpers.c:188: warning: No description found for return value of 'read_cgroup_file'
> tools/testing/selftests/bpf/cgroup_helpers.c:229: warning: No description found for return value of 'write_cgroup_file'
> tools/testing/selftests/bpf/cgroup_helpers.c:250: warning: No description found for return value of 'write_cgroup_file_parent'
> tools/testing/selftests/bpf/cgroup_helpers.c:267: warning: No description found for return value of 'setup_cgroup_environment'
> tools/testing/selftests/bpf/cgroup_helpers.c:353: warning: No description found for return value of 'join_cgroup'
> tools/testing/selftests/bpf/cgroup_helpers.c:368: warning: No description found for return value of 'join_root_cgroup'
> tools/testing/selftests/bpf/cgroup_helpers.c:381: warning: No description found for return value of 'join_parent_cgroup'
> tools/testing/selftests/bpf/cgroup_helpers.c:431: warning: No description found for return value of 'get_root_cgroup'
> tools/testing/selftests/bpf/cgroup_helpers.c:472: warning: No description found for return value of 'create_and_get_cgroup'
> tools/testing/selftests/bpf/cgroup_helpers.c:500: warning: No description found for return value of 'get_cgroup_id_from_path'
> tools/testing/selftests/bpf/cgroup_helpers.c:588: warning: No description found for return value of 'setup_classid_environment'
> tools/testing/selftests/bpf/cgroup_helpers.c:642: warning: No description found for return value of 'set_classid'
> tools/testing/selftests/bpf/cgroup_helpers.c:676: warning: No description found for return value of 'join_classid'
> tools/testing/selftests/bpf/cgroup_helpers.c:704: warning: No description found for return value of 'get_classid_cgroup_id'
> tools/testing/selftests/bpf/cgroup_helpers.c:718: warning: No description found for return value of 'get_cgroup1_hierarchy_id'
> tools/testing/selftests/bpf/cgroup_helpers.c:772: warning: No description found for return value of 'open_classid'
Per-file breakdown
1c1
<      17 tools/testing/selftests/bpf/cgroup_helpers.c
---
>      18 tools/testing/selftests/bpf/cgroup_helpers.c