From 57be88878e7aa38750384704d811485a607bbda4 Mon Sep 17 00:00:00 2001 From: Li Zefan Date: Tue, 16 Jun 2009 16:39:12 +0800 Subject: [PATCH] tracing/filters: free filter_string in destroy_preds() filter->filter_string is not freed when unloading a module: # insmod trace-events-sample.ko # echo "bar < 100" > /mnt/tracing/events/sample/foo_bar/filter # rmmod trace-events-sample.ko [ Impact: fix memory leak when unloading module ] Signed-off-by: Li Zefan LKML-Reference: <4A375A30.9060802@cn.fujitsu.com> Signed-off-by: Steven Rostedt --- kernel/trace/trace_events_filter.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c index b24ab0e6ea74..d9f01c1a042b 100644 --- a/kernel/trace/trace_events_filter.c +++ b/kernel/trace/trace_events_filter.c @@ -381,6 +381,7 @@ void destroy_preds(struct ftrace_event_call *call) filter_free_pred(filter->preds[i]); } kfree(filter->preds); + kfree(filter->filter_string); kfree(filter); call->filter = NULL; } -- 2.20.1