tools/testing/selftests/arm64/tags/.gitignore: warning: ignored by one of the .gitignore files tools/testing/selftests/arm64/tags/Makefile: warning: ignored by one of the .gitignore files tools/testing/selftests/arm64/tags/tags_test.c: warning: ignored by one of the .gitignore files ../drivers/net/usb/lan78xx.c:2490:6: warning: variable 'ret' set but not used [-Wunused-but-set-variable] 2490 | int ret; | ^ 1 warning generated. tools/testing/selftests/arm64/tags/.gitignore: warning: ignored by one of the .gitignore files tools/testing/selftests/arm64/tags/Makefile: warning: ignored by one of the .gitignore files tools/testing/selftests/arm64/tags/tags_test.c: warning: ignored by one of the .gitignore files ../drivers/net/usb/lan78xx.c:2493:6: warning: variable 'ret' set but not used [-Wunused-but-set-variable] 2493 | int ret; | ^ 1 warning generated.