register_kretprobe
ret = register_kretprobe(&the_kretprobe);
ret = register_kretprobe(&my_kretprobe);
int register_kretprobe(struct kretprobe *rp);
EXPORT_SYMBOL_GPL(register_kretprobe);
ret = register_kretprobe(rps[i]);
EXPORT_SYMBOL_GPL(register_kretprobe);
ret = register_kretprobe(&tk->rp);
KUNIT_EXPECT_EQ(test, 0, register_kretprobe(&rp));
KUNIT_ASSERT_EQ(test, 0, register_kretprobe(&rp3));
ret = register_kretprobe(&my_kretprobe);