Commit 57be8887 authored Jun 16, 2009 by Li Zefan Committed by Steven Rostedt Jun 16, 2009

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 <lizf@cn.fujitsu.com>
LKML-Reference: <4A375A30.9060802@cn.fujitsu.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

parent fa743953

kernel/trace/trace_events_filter.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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;
		}