From: Christophe JAILLET <christophe.jail...@wanadoo.fr>

If the string passed in '--time' is invalid, we must do some cleanup
before leaving. As in the other error handling paths of this function.

Signed-off-by: Christophe JAILLET <christophe.jail...@wanadoo.fr>
Cc: Alexander Shishkin <alexander.shish...@linux.intel.com>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: kernel-janit...@vger.kernel.org
Fixes: 2a865bd8dddd ("perf kmem: Add option to specify time window of interest")
Link: 
http://lkml.kernel.org/r/20170916060936.28199-1-christophe.jail...@wanadoo.fr
Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com>
---
 tools/perf/builtin-kmem.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c
index 24ee68ecdd42..d8f25ef8157b 100644
--- a/tools/perf/builtin-kmem.c
+++ b/tools/perf/builtin-kmem.c
@@ -1983,7 +1983,8 @@ int cmd_kmem(int argc, const char **argv)
 
        if (perf_time__parse_str(&ptime, time_str) != 0) {
                pr_err("Invalid time string\n");
-               return -EINVAL;
+               ret = -EINVAL;
+               goto out_delete;
        }
 
        if (!strcmp(argv[0], "stat")) {
-- 
2.13.6

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