From: "Tzvetomir Stoyanov (VMware)" <tz.stoyanov@gmail.com> To: rostedt@goodmis.org Cc: linux-trace-devel@vger.kernel.org Subject: [PATCH v2 2/4] trace-cmd traceevent: Fix memory leakage in filter_event Date: Mon, 22 Jun 2020 17:36:49 +0300 Message-ID: <20200622143651.179674-3-tz.stoyanov@gmail.com> (raw) In-Reply-To: <20200622143651.179674-1-tz.stoyanov@gmail.com> 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> Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com> --- lib/traceevent/parse-filter.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/lib/traceevent/parse-filter.c b/lib/traceevent/parse-filter.c index f3cbf86e..20eed719 100644 --- a/lib/traceevent/parse-filter.c +++ b/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); -- 2.26.2
next prev parent reply index Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-06-22 14:36 [PATCH v2 0/4]Synchronize libtraceevent with kernel tree Tzvetomir Stoyanov (VMware) 2020-06-22 14:36 ` [PATCH v2 1/4] trace-cmd libtraceevent: Remove unneeded semicolon Tzvetomir Stoyanov (VMware) 2020-06-22 14:36 ` Tzvetomir Stoyanov (VMware) [this message] 2020-06-22 14:36 ` [PATCH v2 3/4] trace-cmd traceevent: Take care of return value of asprintf Tzvetomir Stoyanov (VMware) 2020-06-22 14:36 ` [PATCH v2 4/4] trace-cmd traceevent: update KVM plugin Tzvetomir Stoyanov (VMware)
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