Commit f84ae29a authored Dec 09, 2019 by Hewenliang Committed by Arnaldo Carvalho de Melo Dec 20, 2019

tools lib traceevent: Fix memory leakage in filter_event



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>

parent 9f0bff11

tools/lib/traceevent/parse-filter.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -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);

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