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tools lib traceevent: Fix memory leakage in filter_event

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[ Upstream commit f84ae29a6169318f9c929720c49d96323d2bbab9 ]

It is necessary to call free_arg(arg) when add_filter_type() returns NULL
in filter_event().

Signed-off-by: Hewenliang <[email protected]>
Reviewed-by: Steven Rostedt (VMware) <[email protected]>
Cc: Feilong Lin <[email protected]>
Cc: Tzvetomir Stoyanov <[email protected]>
Link: http://lore.kernel.org/lkml/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
This commit is contained in:
Hewenliang 2019-12-09 01:35:49 -05:00 • committed by Greg Kroah-Hartman
commit 91f91139d3
1 changed files with 3 additions and 1 deletions
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4
tools/lib/traceevent/parse-filter.c
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@ -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);