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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2021-03-25 11:46:10 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2021-03-25 11:46:10 -0700
commit5acac83bf2e42f51ab9fd315d657798754bf0bb8 (patch)
tree564be60664226649f00798cc3afb72d72d0ed24d /tools/testing/selftests/bpf/progs/test_global_func13.c
parentInput: cyttsp - verbose error on soft reset (diff)
parentLinux 5.12-rc4 (diff)
downloadlinux-dev-5acac83bf2e42f51ab9fd315d657798754bf0bb8.tar.xz
linux-dev-5acac83bf2e42f51ab9fd315d657798754bf0bb8.zip
Merge tag 'v5.12-rc4' into next
Sync up with the mainline to bring in newest APIs.
Diffstat (limited to 'tools/testing/selftests/bpf/progs/test_global_func13.c')
-rw-r--r--tools/testing/selftests/bpf/progs/test_global_func13.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_global_func13.c b/tools/testing/selftests/bpf/progs/test_global_func13.c
new file mode 100644
index 000000000000..ff8897c1ac22
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/test_global_func13.c
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0-only
+#include <stddef.h>
+#include <linux/bpf.h>
+#include <bpf/bpf_helpers.h>
+
+struct S {
+ int x;
+};
+
+__noinline int foo(const struct S *s)
+{
+ if (s)
+ return bpf_get_prandom_u32() < s->x;
+
+ return 0;
+}
+
+SEC("cgroup_skb/ingress")
+int test_cls(struct __sk_buff *skb)
+{
+ const struct S *s = (const struct S *)(0xbedabeda);
+
+ return foo(s);
+}