tracing: instance_rmdir() leaks ftrace_event_file->filter
commit2448e3493c
upstream. instance_rmdir() path destroys the event files but forgets to free file->filter. Change remove_event_file_dir() to free_event_filter(). Link: http://lkml.kernel.org/p/20140711190638.GA19517@redhat.com Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com> Cc: Tom Zanussi <tom.zanussi@linux.intel.com> Cc: "zhangwei(Jovi)" <jovi.zhangwei@huawei.com> Fixes:f6a84bdc75
"tracing: Introduce remove_event_file_dir()" Signed-off-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -439,6 +439,7 @@ static void remove_event_file_dir(struct ftrace_event_file *file)
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list_del(&file->list);
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remove_subsystem(file->system);
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free_event_filter(file->filter);
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kmem_cache_free(file_cachep, file);
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}
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