[PATCH bpf] bpf: mark bpf_event_notify and bpf_event_init as static

[Stanislav Fomichev]

Both of them are not declared in the headers and not used outside
of bpf_trace.c file.

Fixes: a38d1107f937c ("bpf: support raw tracepoints in modules")
Signed-off-by: Stanislav Fomichev <s...@google.com>
---
 kernel/trace/bpf_trace.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c
index b496ffdf5f36..f92d6ad5e080 100644
--- a/kernel/trace/bpf_trace.c
+++ b/kernel/trace/bpf_trace.c
@@ -1297,7 +1297,8 @@ int bpf_get_perf_event_info(const struct perf_event 
*event, u32 *prog_id,
 }
 
 #ifdef CONFIG_MODULES
-int bpf_event_notify(struct notifier_block *nb, unsigned long op, void *module)
+static int bpf_event_notify(struct notifier_block *nb, unsigned long op,
+                           void *module)
 {
        struct bpf_trace_module *btm, *tmp;
        struct module *mod = module;
@@ -1336,7 +1337,7 @@ static struct notifier_block bpf_module_nb = {
        .notifier_call = bpf_event_notify,
 };
 
-int __init bpf_event_init(void)
+static int __init bpf_event_init(void)
 {
        register_module_notifier(&bpf_module_nb);
        return 0;
-- 
2.21.0.1020.gf2820cf01a-goog