Messages in this thread Patch in this message |  | | From | Hewenliang <> | | Subject | [PATCH] tools lib traceevent: Fix memory leakage in filter_event | | Date | Mon, 9 Dec 2019 01:35:49 -0500 |
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It is necessary to call free_arg(arg) when add_filter_type returns NULL in the function of filter_event.
Signed-off-by: Hewenliang <hewenliang4@huawei.com> --- tools/lib/traceevent/parse-filter.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/tools/lib/traceevent/parse-filter.c b/tools/lib/traceevent/parse-filter.c index f3cbf86e51ac..20eed719542e 100644 --- a/tools/lib/traceevent/parse-filter.c +++ b/tools/lib/traceevent/parse-filter.c @@ -1228,8 +1228,10 @@ filter_event(struct tep_event_filter *filter, struct tep_event *event, } filter_type = add_filter_type(filter, event->id); - if (filter_type == NULL) + if (filter_type == NULL) { + free_arg(arg); return TEP_ERRNO__MEM_ALLOC_FAILED; + } if (filter_type->filter) free_arg(filter_type->filter); -- 2.19.1
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