Messages in this thread Patch in this message | | | Date | Tue, 13 Oct 2009 09:28:57 +0800 | From | Li Zefan <> | Subject | [PATCH] tracing/filters: Fix memory leak when setting a filter |
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Every time we set a filter, we leak memory allocated by postfix_append_operand() and postfix_append_op().
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> --- kernel/trace/trace_events_filter.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c index 2324578..98a6cc5 100644 --- a/kernel/trace/trace_events_filter.c +++ b/kernel/trace/trace_events_filter.c @@ -933,8 +933,9 @@ static void postfix_clear(struct filter_parse_state *ps) while (!list_empty(&ps->postfix)) { elt = list_first_entry(&ps->postfix, struct postfix_elt, list); - kfree(elt->operand); list_del(&elt->list); + kfree(elt->operand); + kfree(elt); } } -- 1.6.3
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