Messages in this thread Patch in this message | | | From | Arnaldo Carvalho de Melo <> | Subject | [PATCH 1/4] tools lib traceevent: Fix memory leakage in filter_event | Date | Mon, 23 Dec 2019 10:32:38 -0300 |
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From: Hewenliang <hewenliang4@huawei.com>
It is necessary to call free_arg(arg) when add_filter_type() returns NULL in filter_event().
Signed-off-by: Hewenliang <hewenliang4@huawei.com> Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Cc: Feilong Lin <linfeilong@huawei.com> Cc: Tzvetomir Stoyanov <tstoyanov@vmware.com> Link: http://lore.kernel.org/lkml/20191209063549.59941-1-hewenliang4@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.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); -- 2.21.1
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