X-Git-Url: http://git.monstr.eu/?a=blobdiff_plain;f=samples%2Fbpf%2Ftracex1_kern.c;h=3f4599c9a20223523f0d33dc9123c4cf91e6b3ea;hb=e4d9c2320716ea0e9ef59f503ddd8f253a642ddd;hp=8e2610e14475edc099fb00833217feb3f1e20522;hpb=2fbc23c738350f1a47007da7ad92ae2e4ea63951;p=linux-2.6-microblaze.git

diff --git a/samples/bpf/tracex1_kern.c b/samples/bpf/tracex1_kern.c
index 8e2610e14475..3f4599c9a202 100644
--- a/samples/bpf/tracex1_kern.c
+++ b/samples/bpf/tracex1_kern.c
@@ -11,7 +11,12 @@
 #include <bpf/bpf_helpers.h>
 #include <bpf/bpf_tracing.h>
 
-#define _(P) ({typeof(P) val = 0; bpf_probe_read(&val, sizeof(val), &P); val;})
+#define _(P)                                                                   \
+	({                                                                     \
+		typeof(P) val = 0;                                             \
+		bpf_probe_read_kernel(&val, sizeof(val), &(P));                \
+		val;                                                           \
+	})
 
 /* kprobe is NOT a stable ABI
  * kernel functions can be removed, renamed or completely change semantics.
@@ -34,7 +39,7 @@ int bpf_prog1(struct pt_regs *ctx)
 	dev = _(skb->dev);
 	len = _(skb->len);
 
-	bpf_probe_read(devname, sizeof(devname), dev->name);
+	bpf_probe_read_kernel(devname, sizeof(devname), dev->name);
 
 	if (devname[0] == 'l' && devname[1] == 'o') {
 		char fmt[] = "skb %p len %d\n";