selftests/bpf: Fix erroneous bitmask operation
[platform/kernel/linux-rpi.git] / tools / testing / selftests / bpf / progs / freplace_get_constant.c
1 // SPDX-License-Identifier: GPL-2.0
2 #include <linux/bpf.h>
3 #include <bpf/bpf_helpers.h>
4 #include <bpf/bpf_endian.h>
5
6 volatile __u64 test_get_constant = 0;
7 SEC("freplace/get_constant")
8 int security_new_get_constant(long val)
9 {
10         if (val != 123)
11                 return 0;
12         test_get_constant = 1;
13         return test_get_constant; /* original get_constant() returns val - 122 */
14 }
15 char _license[] SEC("license") = "GPL";