1 files changed, 8 insertions, 1 deletions

diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index a576bbe75577..36a957c996c7 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -565,6 +565,7 @@ static int __ftrace_set_clr_event(struct trace_array *tr, const char *match,
 static int ftrace_set_clr_event(struct trace_array *tr, char *buf, int set)
 {
         char *event = NULL, *sub = NULL, *match;
+        int ret;
 
         /*
          * The buf format can be <subsystem>:<event-name>
@@ -590,7 +591,13 @@ static int ftrace_set_clr_event(struct trace_array *tr, char *buf, int set)
                         event = NULL;
         }
 
-        return __ftrace_set_clr_event(tr, match, sub, event, set);
+        ret = __ftrace_set_clr_event(tr, match, sub, event, set);
+
+        /* Put back the colon to allow this to be called again */
+        if (buf)
+                *(buf - 1) = ':';
+
+        return ret;
 }
 
 /**