Warnings before patch:
files: ['arch/arc/net/bpf_jit_core.c', 'arch/arm/net/bpf_jit_32.c', 'arch/arm64/lib/insn.c', 'arch/arm64/net/bpf_jit_comp.c', 'arch/loongarch/net/bpf_jit.c', 'arch/mips/net/bpf_jit_comp.c', 'arch/parisc/net/bpf_jit_core.c', 'arch/powerpc/net/bpf_jit_comp.c', 'arch/riscv/net/bpf_jit.h', 'arch/riscv/net/bpf_jit_core.c', 'arch/s390/net/bpf_jit_comp.c', 'arch/sparc/net/bpf_jit_comp_64.c', 'arch/x86/net/bpf_jit_comp.c', 'arch/x86/net/bpf_jit_comp32.c', 'include/linux/bpf.h', 'include/linux/bpf_verifier.h', 'include/linux/filter.h', 'kernel/bpf/arena.c', 'kernel/bpf/bpf_struct_ops.c', 'kernel/bpf/core.c', 'kernel/bpf/fixups.c', 'kernel/bpf/helpers.c', 'kernel/bpf/liveness.c', 'kernel/bpf/syscall.c', 'kernel/bpf/verifier.c', 'net/core/filter.c', 'net/core/sock_map.c', 'net/unix/af_unix.c', 'net/unix/unix_bpf.c', 'tools/lib/bpf/libbpf.c', 'tools/testing/selftests/bpf/Makefile', 'tools/testing/selftests/bpf/prog_tests/snprintf.c', 'tools/testing/selftests/bpf/prog_tests/task_local_data.h', 'tools/testing/selftests/bpf/prog_tests/test_task_local_data.c', 'tools/testing/selftests/bpf/prog_tests/token.c', 'tools/testing/selftests/bpf/prog_tests/trace_printk.c', 'tools/testing/selftests/bpf/prog_tests/unpriv_bpf_disabled.c', 'tools/testing/selftests/bpf/progs/bpf_iter_unix.c', 'tools/testing/selftests/bpf/progs/map_kptr_fail.c', 'tools/testing/selftests/bpf/progs/task_local_data.bpf.h', 'tools/testing/selftests/bpf/progs/timer_start_deadlock.c', 'tools/testing/selftests/bpf/progs/trace_printk.c', 'tools/testing/selftests/bpf/progs/verifier_live_stack.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: net/core/filter.c:133 No description found for return value of 'sk_filter_trim_cap'
Warning: net/core/filter.c:582 No description found for return value of 'bpf_convert_filter'
Warning: net/core/filter.c:1076 No description found for return value of 'bpf_check_classic'
Warning: net/core/filter.c:1381 No description found for return value of 'bpf_prog_create'
Warning: net/core/filter.c:1427 No description found for return value of 'bpf_prog_create_from_user'
Warning: net/core/filter.c:1548 No description found for return value of 'sk_attach_filter'
Warning: net/core/filter.c:12117 No description found for return value of 'bpf_skb_meta_pointer'
Warning: tools/testing/selftests/bpf/prog_tests/task_local_data.h:314 No description found for return value of 'tld_create_key'
Warning: tools/testing/selftests/bpf/prog_tests/task_local_data.h:347 No description found for return value of 'tld_get_data'
Warning: tools/testing/selftests/bpf/progs/task_local_data.bpf.h:145 No description found for return value of 'tld_object_init'
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: net/core/filter.c:133 No description found for return value of 'sk_filter_trim_cap'
Warning: net/core/filter.c:582 No description found for return value of 'bpf_convert_filter'
Warning: net/core/filter.c:1076 No description found for return value of 'bpf_check_classic'
Warning: net/core/filter.c:1381 No description found for return value of 'bpf_prog_create'
Warning: net/core/filter.c:1427 No description found for return value of 'bpf_prog_create_from_user'
Warning: net/core/filter.c:1548 No description found for return value of 'sk_attach_filter'
Warning: net/core/filter.c:12117 No description found for return value of 'bpf_skb_meta_pointer'
Warning: tools/testing/selftests/bpf/prog_tests/task_local_data.h:314 No description found for return value of 'tld_create_key'
Warning: tools/testing/selftests/bpf/prog_tests/task_local_data.h:347 No description found for return value of 'tld_get_data'
Warning: tools/testing/selftests/bpf/progs/task_local_data.bpf.h:145 No description found for return value of 'tld_object_init'

Current warnings:
files: ['arch/arc/net/bpf_jit_core.c', 'arch/arm/net/bpf_jit_32.c', 'arch/arm64/lib/insn.c', 'arch/arm64/net/bpf_jit_comp.c', 'arch/loongarch/net/bpf_jit.c', 'arch/mips/net/bpf_jit_comp.c', 'arch/parisc/net/bpf_jit_core.c', 'arch/powerpc/net/bpf_jit_comp.c', 'arch/riscv/net/bpf_jit.h', 'arch/riscv/net/bpf_jit_core.c', 'arch/s390/net/bpf_jit_comp.c', 'arch/sparc/net/bpf_jit_comp_64.c', 'arch/x86/net/bpf_jit_comp.c', 'arch/x86/net/bpf_jit_comp32.c', 'include/linux/bpf.h', 'include/linux/bpf_verifier.h', 'include/linux/filter.h', 'kernel/bpf/arena.c', 'kernel/bpf/bpf_struct_ops.c', 'kernel/bpf/core.c', 'kernel/bpf/fixups.c', 'kernel/bpf/helpers.c', 'kernel/bpf/liveness.c', 'kernel/bpf/syscall.c', 'kernel/bpf/verifier.c', 'net/core/filter.c', 'net/core/sock_map.c', 'net/unix/af_unix.c', 'net/unix/unix_bpf.c', 'tools/lib/bpf/libbpf.c', 'tools/testing/selftests/bpf/Makefile', 'tools/testing/selftests/bpf/prog_tests/snprintf.c', 'tools/testing/selftests/bpf/prog_tests/task_local_data.h', 'tools/testing/selftests/bpf/prog_tests/test_task_local_data.c', 'tools/testing/selftests/bpf/prog_tests/token.c', 'tools/testing/selftests/bpf/prog_tests/trace_printk.c', 'tools/testing/selftests/bpf/prog_tests/unpriv_bpf_disabled.c', 'tools/testing/selftests/bpf/progs/bpf_iter_unix.c', 'tools/testing/selftests/bpf/progs/map_kptr_fail.c', 'tools/testing/selftests/bpf/progs/task_local_data.bpf.h', 'tools/testing/selftests/bpf/progs/timer_start_deadlock.c', 'tools/testing/selftests/bpf/progs/token_kallsyms.c', 'tools/testing/selftests/bpf/progs/trace_printk.c', 'tools/testing/selftests/bpf/progs/verifier_live_stack.c', 'tools/testing/selftests/bpf/sysctl_helpers.c', 'tools/testing/selftests/bpf/sysctl_helpers.h']
Warning: kernel/bpf/helpers.c:2733 No description found for return value of 'bpf_task_acquire'
Warning: kernel/bpf/helpers.c:2762 No description found for return value of 'bpf_cgroup_acquire'
Warning: kernel/bpf/helpers.c:2792 No description found for return value of 'bpf_cgroup_ancestor'
Warning: kernel/bpf/helpers.c:2812 No description found for return value of 'bpf_cgroup_from_id'
Warning: kernel/bpf/helpers.c:2833 No description found for return value of 'bpf_task_under_cgroup'
Warning: kernel/bpf/helpers.c:2876 No description found for return value of 'bpf_task_get_cgroup1'
Warning: kernel/bpf/helpers.c:2892 No description found for return value of 'bpf_task_from_pid'
Warning: kernel/bpf/helpers.c:2911 No description found for return value of 'bpf_task_from_vpid'
Warning: kernel/bpf/helpers.c:3149 No description found for return value of 'bpf_dynptr_copy'
Warning: kernel/bpf/helpers.c:3203 No description found for return value of 'bpf_dynptr_memset'
Warning: kernel/bpf/helpers.c:3423 No description found for return value of 'bpf_iter_bits_new'
Warning: kernel/bpf/helpers.c:3484 No description found for return value of 'bpf_iter_bits_next'
Warning: kernel/bpf/helpers.c:3534 No description found for return value of 'bpf_copy_from_user_str'
Warning: net/core/filter.c:133 No description found for return value of 'sk_filter_trim_cap'
Warning: net/core/filter.c:582 No description found for return value of 'bpf_convert_filter'
Warning: net/core/filter.c:1076 No description found for return value of 'bpf_check_classic'
Warning: net/core/filter.c:1381 No description found for return value of 'bpf_prog_create'
Warning: net/core/filter.c:1427 No description found for return value of 'bpf_prog_create_from_user'
Warning: net/core/filter.c:1548 No description found for return value of 'sk_attach_filter'
Warning: net/core/filter.c:12117 No description found for return value of 'bpf_skb_meta_pointer'
Warning: tools/testing/selftests/bpf/prog_tests/task_local_data.h:321 No description found for return value of 'tld_create_key'
Warning: tools/testing/selftests/bpf/prog_tests/task_local_data.h:354 No description found for return value of 'tld_get_data'
Warning: tools/testing/selftests/bpf/progs/task_local_data.bpf.h:146 No description found for return value of 'tld_object_init'
Warning: kernel/bpf/helpers.c:2733 No description found for return value of 'bpf_task_acquire'
Warning: kernel/bpf/helpers.c:2762 No description found for return value of 'bpf_cgroup_acquire'
Warning: kernel/bpf/helpers.c:2792 No description found for return value of 'bpf_cgroup_ancestor'
Warning: kernel/bpf/helpers.c:2812 No description found for return value of 'bpf_cgroup_from_id'
Warning: kernel/bpf/helpers.c:2833 No description found for return value of 'bpf_task_under_cgroup'
Warning: kernel/bpf/helpers.c:2876 No description found for return value of 'bpf_task_get_cgroup1'
Warning: kernel/bpf/helpers.c:2892 No description found for return value of 'bpf_task_from_pid'
Warning: kernel/bpf/helpers.c:2911 No description found for return value of 'bpf_task_from_vpid'
Warning: kernel/bpf/helpers.c:3149 No description found for return value of 'bpf_dynptr_copy'
Warning: kernel/bpf/helpers.c:3203 No description found for return value of 'bpf_dynptr_memset'
Warning: kernel/bpf/helpers.c:3423 No description found for return value of 'bpf_iter_bits_new'
Warning: kernel/bpf/helpers.c:3484 No description found for return value of 'bpf_iter_bits_next'
Warning: kernel/bpf/helpers.c:3534 No description found for return value of 'bpf_copy_from_user_str'
Warning: net/core/filter.c:133 No description found for return value of 'sk_filter_trim_cap'
Warning: net/core/filter.c:582 No description found for return value of 'bpf_convert_filter'
Warning: net/core/filter.c:1076 No description found for return value of 'bpf_check_classic'
Warning: net/core/filter.c:1381 No description found for return value of 'bpf_prog_create'
Warning: net/core/filter.c:1427 No description found for return value of 'bpf_prog_create_from_user'
Warning: net/core/filter.c:1548 No description found for return value of 'sk_attach_filter'
Warning: net/core/filter.c:12117 No description found for return value of 'bpf_skb_meta_pointer'
Warning: tools/testing/selftests/bpf/prog_tests/task_local_data.h:321 No description found for return value of 'tld_create_key'
Warning: tools/testing/selftests/bpf/prog_tests/task_local_data.h:354 No description found for return value of 'tld_get_data'
Warning: tools/testing/selftests/bpf/progs/task_local_data.bpf.h:146 No description found for return value of 'tld_object_init'

Warnings before: 46 after: 46