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authorHewenliang <hewenliang4@huawei.com>2019-12-09 09:35:49 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2019-12-21 00:47:50 +0300
commitf84ae29a6169318f9c929720c49d96323d2bbab9 (patch)
tree490d543eb2e4ae728867ad37f635b691925813fa /tools
parent9f0bff1180efc9ea988fed3fd93da7647151ac8b (diff)
downloadlinux-f84ae29a6169318f9c929720c49d96323d2bbab9.tar.xz
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>
Diffstat (limited to 'tools')
-rw-r--r--tools/lib/traceevent/parse-filter.c4
1 files changed, 3 insertions, 1 deletions
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);