tracepoint: Simplify tracepoint module search

[firefly-linux-kernel-4.4.55.git] / kernel / tracepoint.c

diff --git a/kernel/tracepoint.c b/kernel/tracepoint.c
index 01b3bd84daa192ba5fec7d7ed0893d4944090e4e..162be198a247fc56edebdbc45df7b4350eddb644 100644 (file)
--- a/kernel/tracepoint.c
+++ b/kernel/tracepoint.c
@@ -374,8 +374,7 @@ static int tracepoint_module_coming(struct module *mod)
                ret = -ENOMEM;
                goto end;
        }
-       tp_mod->num_tracepoints = mod->num_tracepoints;
-       tp_mod->tracepoints_ptrs = mod->tracepoints_ptrs;
+       tp_mod->mod = mod;
        list_add_tail(&tp_mod->list, &tracepoint_module_list);
        blocking_notifier_call_chain(&tracepoint_notify_list,
                        MODULE_STATE_COMING, tp_mod);
@@ -393,7 +392,7 @@ static void tracepoint_module_going(struct module *mod)
 
        mutex_lock(&tracepoint_module_list_mutex);
        list_for_each_entry(tp_mod, &tracepoint_module_list, list) {
-               if (tp_mod->tracepoints_ptrs == mod->tracepoints_ptrs) {
+               if (tp_mod->mod == mod) {
                        blocking_notifier_call_chain(&tracepoint_notify_list,
                                        MODULE_STATE_GOING, tp_mod);
                        list_del(&tp_mod->list);
@@ -447,9 +446,9 @@ static __init int init_tracepoints(void)
        int ret;
 
        ret = register_module_notifier(&tracepoint_module_nb);
-       if (ret) {
+       if (ret)
                pr_warning("Failed to register tracepoint module enter notifier\n");
-       }
+
        return ret;
 }
 __initcall(init_tracepoints);