---

yaml --- r: 140909 b: refs/heads/master c: 40e2681 h: refs/heads/master i: 140907: 7f397c5 v: v3
git-mirror · Mar 10, 2009 · 7f477f1 · 7f477f1
1 parent 0c4a449
commit 7f477f1
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Showing 2 changed files with 16 additions and 4 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ce8eb2bf05042452107e489782105d2e235cbdd0
+refs/heads/master: 40e26815fafd3b8c4aced17b1f22e68ef33eb8db
diff --git a/trunk/kernel/trace/trace_events.c b/trunk/kernel/trace/trace_events.c
@@ -102,7 +102,7 @@ static int ftrace_set_clr_event(char *buf, int set)
 	mutex_lock(&event_mutex);
 	events_for_each(call) {
 
-		if (!call->name)
+		if (!call->name || !call->regfunc)
 			continue;
 
 		if (match &&
@@ -207,8 +207,20 @@ t_next(struct seq_file *m, void *v, loff_t *pos)
 
 	(*pos)++;
 
-	if ((unsigned long)call >= (unsigned long)__stop_ftrace_events)
-		return NULL;
+	for (;;) {
+		if ((unsigned long)call >= (unsigned long)__stop_ftrace_events)
+			return NULL;
+
+		/*
+		 * The ftrace subsystem is for showing formats only.
+		 * They can not be enabled or disabled via the event files.
+		 */
+		if (call->regfunc)
+			break;
+
+		call++;
+		next = call;
+	}
 
 	m->private = ++next;