Merge tag 'trace-v6.3-rc5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace

Pull tracing fixes from Steven Rostedt:
 "A couple more minor fixes:

   - Reset direct->addr back to its original value on error in updating
     the direct trampoline code

   - Make lastcmd_mutex static"

* tag 'trace-v6.3-rc5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  tracing/synthetic: Make lastcmd_mutex static
  ftrace: Fix issue that 'direct->addr' not restored in modify_ftrace_direct()

kernel/trace/ftrace.c

@@ -5667,13 +5667,16 @@ int modify_ftrace_direct(unsigned long ip,
 		ret = 0;
 	}
 
-	if (unlikely(ret && new_direct)) {
+	if (ret) {
+		direct->addr = old_addr;
+		if (unlikely(new_direct)) {
 			direct->count++;
 			list_del_rcu(&new_direct->next);
 			synchronize_rcu_tasks();
 			kfree(new_direct);
 			ftrace_direct_func_count--;
 		}
+	}
 
  out_unlock:
 	mutex_unlock(&ftrace_lock);

kernel/trace/trace_events_synth.c

@@ -44,7 +44,7 @@ enum { ERRORS };
 
 static const char *err_text[] = { ERRORS };
 
-DEFINE_MUTEX(lastcmd_mutex);
+static DEFINE_MUTEX(lastcmd_mutex);
 static char *last_cmd;
 
 static int errpos(const char *str)