Documentation/.renames.txt: warning: ignored by one of the .gitignore files
../kernel/bpf/verifier.c: In function ‘check_return_code’:
../kernel/bpf/verifier.c:17947:13: warning: unused variable ‘ret’ [-Wunused-variable]
17947 |         int ret, err;
      |             ^~~
Documentation/.renames.txt: warning: ignored by one of the .gitignore files