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perf kvm: Fill in the missing session freeing after an error occurs

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When an error occurs an 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 occurs.

Signed-off-by: Taeung Song <treeze.taeung@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/1435677525-28055-1-git-send-email-treeze.taeung@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Taeung Song 2015-07-01 00:18:44 +09:00 committed by Arnaldo Carvalho de Melo
parent 07a716fff2
commit 41b983609a
1 changed files with 10 additions and 4 deletions
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14
tools/perf/builtin-kvm.c
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@ -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 +1072,13 @@ 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);
out_delete:
perf_session__delete(kvm->session);
return ret;
}
static int parse_target_str(struct perf_kvm_stat *kvm)