Fix to avoid cases where the `res` shell variable is empty in script comparisons.
The issue can be reproduced with the command: make kselftest TARGETS=net It solves the error: ./tfo_passive.sh: line 98: [: -eq: unary operator expected Signed-off-by: Alessandro Zanni <[email protected]> --- tools/testing/selftests/net/tfo_passive.sh | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/net/tfo_passive.sh b/tools/testing/selftests/net/tfo_passive.sh index 80bf11fdc046..2655931b2396 100755 --- a/tools/testing/selftests/net/tfo_passive.sh +++ b/tools/testing/selftests/net/tfo_passive.sh @@ -95,7 +95,7 @@ wait res=$(cat $out_file) rm $out_file -if [ $res -eq 0 ]; then +if [ -n "$res" ] && [ $res -eq 0 ]; then echo "got invalid NAPI ID from passive TFO socket" cleanup_ns exit 1 -- 2.43.0
