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

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>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/1435652124-22414-3-git-send-email-treeze.taeung@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
hifive-unleashed-5.1
Taeung Song 2015-06-30 17:15:21 +09:00 committed by Arnaldo Carvalho de Melo
parent 9fedfb0c5b
commit 249ca1a860
1 changed files with 2 additions and 2 deletions
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4
tools/perf/builtin-kmem.c
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@ -1916,7 +1916,7 @@ int cmd_kmem(int argc, const char **argv, const char *prefix __maybe_unused)
if (!perf_evlist__find_tracepoint_by_name(session->evlist,
"kmem:kmalloc")) {
pr_err(errmsg, "slab", "slab");
return -1;
goto out_delete;
}
}
@ -1927,7 +1927,7 @@ int cmd_kmem(int argc, const char **argv, const char *prefix __maybe_unused)
"kmem:mm_page_alloc");
if (evsel == NULL) {
pr_err(errmsg, "page", "page");
return -1;
goto out_delete;
}
kmem_page_size = pevent_get_page_size(evsel->tp_format->pevent);