Warnings before patch:
files: ['tools/testing/selftests/bpf/Makefile', 'tools/testing/selftests/bpf/bpf_arena_alloc.h', 'tools/testing/selftests/bpf/bpf_arena_list.h', 'tools/testing/selftests/bpf/bpf_arena_strsearch.h', 'tools/testing/selftests/bpf/bpf_experimental.h', 'tools/testing/selftests/bpf/libarena/include/libarena/common.h', 'tools/testing/selftests/bpf/prog_tests/arena_spin_lock.c', 'tools/testing/selftests/bpf/progs/arena_atomics.c', 'tools/testing/selftests/bpf/progs/arena_spin_lock.c', 'tools/testing/selftests/bpf/progs/compute_live_registers.c', 'tools/testing/selftests/bpf/progs/lpm_trie_bench.c', 'tools/testing/selftests/bpf/progs/stream.c', 'tools/testing/selftests/bpf/progs/verifier_arena.c', 'tools/testing/selftests/bpf/progs/verifier_arena_globals1.c', 'tools/testing/selftests/bpf/progs/verifier_arena_globals2.c', 'tools/testing/selftests/bpf/progs/verifier_arena_large.c', 'tools/testing/selftests/bpf/progs/verifier_ldsx.c']
Warning: tools/testing/selftests/bpf/bpf_arena_strsearch.h:43 function parameter '__arg_arena' not described in 'glob_match'
Warning: tools/testing/selftests/bpf/bpf_arena_strsearch.h:43 No description found for return value of 'glob_match'
Warning: tools/testing/selftests/bpf/bpf_arena_strsearch.h:43 function parameter '__arg_arena' not described in 'glob_match'
Warning: tools/testing/selftests/bpf/bpf_arena_strsearch.h:43 No description found for return value of 'glob_match'

Current warnings:
files: ['tools/testing/selftests/bpf/Makefile', 'tools/testing/selftests/bpf/bpf_arena_alloc.h', 'tools/testing/selftests/bpf/bpf_arena_list.h', 'tools/testing/selftests/bpf/bpf_arena_strsearch.h', 'tools/testing/selftests/bpf/bpf_experimental.h', 'tools/testing/selftests/bpf/libarena/include/bpf_may_goto.h', 'tools/testing/selftests/bpf/libarena/include/libarena/common.h', 'tools/testing/selftests/bpf/prog_tests/arena_spin_lock.c', 'tools/testing/selftests/bpf/progs/arena_atomics.c', 'tools/testing/selftests/bpf/progs/arena_spin_lock.c', 'tools/testing/selftests/bpf/progs/compute_live_registers.c', 'tools/testing/selftests/bpf/progs/lpm_trie_bench.c', 'tools/testing/selftests/bpf/progs/stream.c', 'tools/testing/selftests/bpf/progs/verifier_arena.c', 'tools/testing/selftests/bpf/progs/verifier_arena_globals1.c', 'tools/testing/selftests/bpf/progs/verifier_arena_globals2.c', 'tools/testing/selftests/bpf/progs/verifier_arena_large.c', 'tools/testing/selftests/bpf/progs/verifier_ldsx.c']
Warning: tools/testing/selftests/bpf/bpf_arena_strsearch.h:43 function parameter '__arg_arena' not described in 'glob_match'
Warning: tools/testing/selftests/bpf/bpf_arena_strsearch.h:43 No description found for return value of 'glob_match'
Warning: tools/testing/selftests/bpf/bpf_arena_strsearch.h:43 function parameter '__arg_arena' not described in 'glob_match'
Warning: tools/testing/selftests/bpf/bpf_arena_strsearch.h:43 No description found for return value of 'glob_match'

Warnings before: 4 after: 4