samples: bpf: enable trace samples for s390x

[karo-tx-linux.git] / samples / bpf / tracex5_kern.c

diff --git a/samples/bpf/tracex5_kern.c b/samples/bpf/tracex5_kern.c
index b71fe07a7a7a4820a77e7cb0d5a112febdbaa49c..b3f4295bf288536c1f9ae7500b542a77cf8aaec1 100644 (file)
--- a/samples/bpf/tracex5_kern.c
+++ b/samples/bpf/tracex5_kern.c
@@ -24,7 +24,7 @@ int bpf_prog1(struct pt_regs *ctx)
 {
        struct seccomp_data sd = {};
 
-       bpf_probe_read(&sd, sizeof(sd), (void *)ctx->di);
+       bpf_probe_read(&sd, sizeof(sd), (void *)PT_REGS_PARM1(ctx));
 
        /* dispatch into next BPF program depending on syscall number */
        bpf_tail_call(ctx, &progs, sd.nr);
@@ -42,7 +42,7 @@ PROG(__NR_write)(struct pt_regs *ctx)
 {
        struct seccomp_data sd = {};
 
-       bpf_probe_read(&sd, sizeof(sd), (void *)ctx->di);
+       bpf_probe_read(&sd, sizeof(sd), (void *)PT_REGS_PARM1(ctx));
        if (sd.args[2] == 512) {
                char fmt[] = "write(fd=%d, buf=%p, size=%d)\n";
                bpf_trace_printk(fmt, sizeof(fmt),
@@ -55,7 +55,7 @@ PROG(__NR_read)(struct pt_regs *ctx)
 {
        struct seccomp_data sd = {};
 
-       bpf_probe_read(&sd, sizeof(sd), (void *)ctx->di);
+       bpf_probe_read(&sd, sizeof(sd), (void *)PT_REGS_PARM1(ctx));
        if (sd.args[2] > 128 && sd.args[2] <= 1024) {
                char fmt[] = "read(fd=%d, buf=%p, size=%d)\n";
                bpf_trace_printk(fmt, sizeof(fmt),