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-rw-r--r--tools/testing/selftests/ftrace/config1
-rw-r--r--tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_type.tc2
2 files changed, 2 insertions, 1 deletions
diff --git a/tools/testing/selftests/ftrace/config b/tools/testing/selftests/ftrace/config
index ef8214661612..8a1c9f949fe0 100644
--- a/tools/testing/selftests/ftrace/config
+++ b/tools/testing/selftests/ftrace/config
@@ -1 +1,2 @@
+CONFIG_KPROBES=y
CONFIG_FTRACE=y
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_type.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_type.tc
index 0a78705b43b2..c75faefb4fff 100644
--- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_type.tc
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_type.tc
@@ -26,7 +26,7 @@ check_types() {
test $X2 = $X3
test 0x$X3 = $3
- B4=`printf "%x" $4`
+ B4=`printf "%02x" $4`
B3=`echo -n $X3 | tail -c 3 | head -c 2`
test $B3 = $B4
}