On Fri, 28 Jun 2019 12:52:32 +0200
Petr Mladek [off-list ref] wrote:

On Fri 2019-06-28 09:32:03, Miroslav Benes wrote:

quoted

On Thu, 27 Jun 2019, Petr Mladek wrote:  

quoted

@@ -2611,12 +2610,10 @@ static void ftrace_run_update_code(int command)
 {
 	int ret;
 
-	mutex_lock(&text_mutex);
-
 	ret = ftrace_arch_code_modify_prepare();
 	FTRACE_WARN_ON(ret);
 	if (ret)
-		goto out_unlock;
+		return ret;  

Should be just "return;", because the function is "static void".  

Grr, I usually check compiler warnings but I evidently skipped it
in this case :-(

Steven, should I send a fixed/folloup patch or will you just
fix it when pushing?

I'll fix it up.

-- Steve