selftests/lkdtm: Use grep -E instead of egrep

shellcheck complains that egrep is deprecated, and the grep man page
agrees. Use grep -E instead.

Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>

diff --git a/tools/testing/selftests/lkdtm/run.sh b/tools/testing/selftests/lkdtm/run.sh
index 0b409e187c7b8f589b8c9812b97e9ea8adffdaea..ee64ff8df8f4db84adbf17ca3ba8380c5d293b2f 100755 (executable)
--- a/tools/testing/selftests/lkdtm/run.sh
+++ b/tools/testing/selftests/lkdtm/run.sh
@@ -25,13 +25,13 @@ fi
 # Figure out which test to run from our script name.
 test=$(basename $0 .sh)
 # Look up details about the test from master list of LKDTM tests.
-line=$(egrep '^#?'"$test"'\b' tests.txt)
+line=$(grep -E '^#?'"$test"'\b' tests.txt)
 if [ -z "$line" ]; then
        echo "Skipped: missing test '$test' in tests.txt"
        exit $KSELFTEST_SKIP_TEST
 fi
 # Check that the test is known to LKDTM.
-if ! egrep -q '^'"$test"'$' "$TRIGGER" ; then
+if ! grep -E -q '^'"$test"'$' "$TRIGGER" ; then
        echo "Skipped: test '$test' missing in $TRIGGER!"
        exit $KSELFTEST_SKIP_TEST
 fi
@@ -80,11 +80,11 @@ dmesg | diff --changed-group-format='%>' --unchanged-group-format='' "$DMESG" -
 
 cat "$LOG"
 # Check for expected output
-if egrep -qi "$expect" "$LOG" ; then
+if grep -E -qi "$expect" "$LOG" ; then
        echo "$test: saw '$expect': ok"
        exit 0
 else
-       if egrep -qi XFAIL: "$LOG" ; then
+       if grep -E -qi XFAIL: "$LOG" ; then
                echo "$test: saw 'XFAIL': [SKIP]"
                exit $KSELFTEST_SKIP_TEST
        else