From: Roberto Sassu <roberto.sassu@huawei.com>
Date: Wed, 2 Mar 2022 12:13:59 +0100
Subject: selftests/bpf: Move sample generation code to ima_test_common()
Patch-mainline: v5.18-rc1
Git-commit: 2746de3c53d64436a5a565e87d74b65d82ab6ac7
References: jsc#PED-1377

Move sample generator code to ima_test_common() so that the new function
can be called by multiple LSM hooks.

Signed-off-by: Roberto Sassu <roberto.sassu@huawei.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20220302111404.193900-5-roberto.sassu@huawei.com
Acked-by: Shung-Hsi Yu <shung-hsi.yu@suse.com>
---
 tools/testing/selftests/bpf/progs/ima.c |   11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

--- a/tools/testing/selftests/bpf/progs/ima.c
+++ b/tools/testing/selftests/bpf/progs/ima.c
@@ -18,8 +18,7 @@ struct {
 
 char _license[] SEC("license") = "GPL";
 
-SEC("lsm.s/bprm_committed_creds")
-void BPF_PROG(ima, struct linux_binprm *bprm)
+static void ima_test_common(struct file *file)
 {
 	u64 ima_hash = 0;
 	u64 *sample;
@@ -28,7 +27,7 @@ void BPF_PROG(ima, struct linux_binprm *
 
 	pid = bpf_get_current_pid_tgid() >> 32;
 	if (pid == monitored_pid) {
-		ret = bpf_ima_inode_hash(bprm->file->f_inode, &ima_hash,
+		ret = bpf_ima_inode_hash(file->f_inode, &ima_hash,
 					 sizeof(ima_hash));
 		if (ret < 0 || ima_hash == 0)
 			return;
@@ -43,3 +42,9 @@ void BPF_PROG(ima, struct linux_binprm *
 
 	return;
 }
+
+SEC("lsm.s/bprm_committed_creds")
+void BPF_PROG(bprm_committed_creds, struct linux_binprm *bprm)
+{
+	ima_test_common(bprm->file);
+}