From 763d7f5f2718f085bab5a9e63308349728f3ad12 Mon Sep 17 00:00:00 2001
From: Masanari Iida <standby24x7@gmail.com>
Date: Sun, 20 Apr 2014 00:16:41 +0900
Subject: [PATCH] perf tests x86: Fix memory leak in sample_ustack()

The buf is not freed, when kernel failed to get stack map
and return.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Link: http://lkml.kernel.org/r/1398091024-7901-1-git-send-email-standby24x7@gmail.com
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
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