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Diffstat (limited to 'samples/bpf/tracex4_kern.c')
-rw-r--r--samples/bpf/tracex4_kern.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/samples/bpf/tracex4_kern.c b/samples/bpf/tracex4_kern.c
index 126b80512228..ac4671420cf1 100644
--- a/samples/bpf/tracex4_kern.c
+++ b/samples/bpf/tracex4_kern.c
@@ -27,7 +27,7 @@ struct bpf_map_def SEC("maps") my_map = {
SEC("kprobe/kmem_cache_free")
int bpf_prog1(struct pt_regs *ctx)
{
- long ptr = ctx->si;
+ long ptr = PT_REGS_PARM2(ctx);
bpf_map_delete_elem(&my_map, &ptr);
return 0;
@@ -36,11 +36,11 @@ int bpf_prog1(struct pt_regs *ctx)
SEC("kretprobe/kmem_cache_alloc_node")
int bpf_prog2(struct pt_regs *ctx)
{
- long ptr = ctx->ax;
+ long ptr = PT_REGS_RC(ctx);
long ip = 0;
/* get ip address of kmem_cache_alloc_node() caller */
- bpf_probe_read(&ip, sizeof(ip), (void *)(ctx->bp + sizeof(ip)));
+ bpf_probe_read(&ip, sizeof(ip), (void *)(PT_REGS_FP(ctx) + sizeof(ip)));
struct pair v = {
.val = bpf_ktime_get_ns(),