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-rw-r--r--tools/testing/selftests/livepatch/functions.sh2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/testing/selftests/livepatch/functions.sh b/tools/testing/selftests/livepatch/functions.sh
index 36648ca367c2..408529d94ddb 100644
--- a/tools/testing/selftests/livepatch/functions.sh
+++ b/tools/testing/selftests/livepatch/functions.sh
@@ -277,7 +277,7 @@ function check_result {
# help differentiate repeated testing runs. Remove them with a
# post-comparison sed filter.
- result=$(dmesg | diff --changed-group-format='%>' --unchanged-group-format='' "$SAVED_DMESG" - | \
+ result=$(dmesg | comm -13 "$SAVED_DMESG" - | \
grep -e 'livepatch:' -e 'test_klp' | \
grep -v '\(tainting\|taints\) kernel' | \
sed 's/^\[[ 0-9.]*\] //')