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Date: Tue, 30 Jun 2015 13:14:43 +0200 From: Jiri Olsa <jolsa@...hat.com> To: Taeung Song <treeze.taeung@...il.com> Cc: Arnaldo Carvalho de Melo <acme@...nel.org>, linux-kernel@...r.kernel.org, namhyung@...nel.org, Ingo Molnar <mingo@...hat.com> Subject: Re: [PATCH 3/5] perf kvm: Fill in the missing freeing a session after an error occur On Tue, Jun 30, 2015 at 05:15:22PM +0900, Taeung Song wrote: > When an error occur a error value is just returned > without freeing the session. So allocating and freeing > session have to be matched as a pair even if an error occur. > > Signed-off-by: Taeung Song <treeze.taeung@...il.com> > --- > tools/perf/builtin-kvm.c | 16 ++++++++++++---- > 1 file changed, 12 insertions(+), 4 deletions(-) > > diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c > index 74878cd..5fa96a0 100644 > --- a/tools/perf/builtin-kvm.c > +++ b/tools/perf/builtin-kvm.c > @@ -1061,8 +1061,10 @@ static int read_events(struct perf_kvm_stat *kvm) > > symbol__init(&kvm->session->header.env); > > - if (!perf_session__has_traces(kvm->session, "kvm record")) > - return -EINVAL; > + if (!perf_session__has_traces(kvm->session, "kvm record")) { > + ret = -EINVAL; > + goto out_delete; > + } > > /* > * Do not use 'isa' recorded in kvm_exit tracepoint since it is not > @@ -1070,9 +1072,15 @@ static int read_events(struct perf_kvm_stat *kvm) > */ > ret = cpu_isa_config(kvm); > if (ret < 0) > - return ret; > + goto out_delete; > > - return perf_session__process_events(kvm->session); > + ret = perf_session__process_events(kvm->session); > + if (ret < 0) > + goto out_delete; above 2 lines are not needed.. just fall through jirka > + > +out_delete: > + perf_session__delete(kvm->session); > + return ret; > } > > static int parse_target_str(struct perf_kvm_stat *kvm) > -- > 1.9.1 > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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