../kernel/bpf/bpf_local_storage.c: In function ‘bpf_local_storage_destroy’:
../kernel/bpf/bpf_local_storage.c:783:13: warning: unused variable ‘err’ [-Wunused-variable]
  783 |         int err;
      |             ^~~
../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static?
../kernel/bpf/bpf_local_storage.c: In function ‘bpf_local_storage_destroy’:
../kernel/bpf/bpf_local_storage.c:778:13: warning: unused variable ‘err’ [-Wunused-variable]
  778 |         int err;
      |             ^~~
../arch/x86/boot/version.c:18:12: warning: symbol 'kernel_version' was not declared. Should it be static?