ftrace: Join functions ftrace_module_init() and ftrace_init_module()

Simple cleanup. No need for two functions here.
The whole work can simply be done inside 'ftrace_module_init'.

Link: http://lkml.kernel.org/r/1449067197-5718-1-git-send-email-abelvesa@linux.comSigned-off-by: Abel Vesa <abelvesa@linux.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

kernel/trace/ftrace.c

@@ -4980,19 +4980,16 @@ void ftrace_release_mod(struct module *mod)
 	mutex_unlock(&ftrace_lock);
 }
 
-static void ftrace_init_module(struct module *mod,
-			       unsigned long *start, unsigned long *end)
+void ftrace_module_init(struct module *mod)
 {
+	unsigned long *start = mod->ftrace_callsites;
+	unsigned long *end = mod->ftrace_callsites +
+				mod->num_ftrace_callsites;
+
 	if (ftrace_disabled || start == end)
 		return;
-	ftrace_process_locs(mod, start, end);
-}
 
-void ftrace_module_init(struct module *mod)
-{
-	ftrace_init_module(mod, mod->ftrace_callsites,
-			   mod->ftrace_callsites +
-			   mod->num_ftrace_callsites);
+	ftrace_process_locs(mod, start, end);
 }
 
 static int ftrace_module_notify_exit(struct notifier_block *self,