../kernel/bpf/bpf_local_storage.c:447:3: error: non-void function 'bpf_selem_unlink' should return a value [-Wreturn-mismatch]
  447 |                 return;
      |                 ^
../kernel/bpf/bpf_local_storage.c:780:6: warning: unused variable 'err' [-Wunused-variable]
  780 |         int err;
      |             ^~~
1 warning and 1 error generated.
make[5]: *** [../scripts/Makefile.build:287: kernel/bpf/bpf_local_storage.o] Error 1
make[5]: *** Waiting for unfinished jobs....
make[4]: *** [../scripts/Makefile.build:556: kernel/bpf] Error 2
make[4]: *** Waiting for unfinished jobs....
make[3]: *** [../scripts/Makefile.build:556: kernel] Error 2
make[2]: *** [/home/nipa/bpf-next/wt-0/Makefile:2011: .] Error 2
make[1]: *** [/home/nipa/bpf-next/wt-0/Makefile:248: __sub-make] Error 2
make: *** [Makefile:248: __sub-make] Error 2
../kernel/bpf/bpf_local_storage.c:801:6: warning: unused variable 'err' [-Wunused-variable]
  801 |         int err;
      |             ^~~
1 warning generated.