linux-kernel - [PATCH V4 15/21] perf tools: fix missing increment in sample parsing

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Message-Id: <1372944040-32690-16-git-send-email-adrian.hunter@intel.com>
Date:	Thu,  4 Jul 2013 16:20:34 +0300
From:	Adrian Hunter <adrian.hunter@...el.com>
To:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Cc:	linux-kernel@...r.kernel.org, David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Jiri Olsa <jolsa@...hat.com>, Mike Galbraith <efault@....de>,
	Namhyung Kim <namhyung@...il.com>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Stephane Eranian <eranian@...gle.com>,
	Ingo Molnar <mingo@...nel.org>,
	Adrian Hunter <adrian.hunter@...el.com>
Subject: [PATCH V4 15/21] perf tools: fix missing increment in sample parsing

The final sample format bit used to be PERF_SAMPLE_STACK_USER
which neglected to do a final increment of the array pointer.
The result is that the following parsing might start at the
wrong place.

Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
---
 tools/perf/util/evsel.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 86628fe..10ccf38 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -1284,7 +1284,7 @@ int perf_evsel__parse_sample(struct perf_evsel *evsel, union perf_event *event,
 		} else {
 			data->user_stack.data = (char *)array;
 			array += size / sizeof(*array);
-			data->user_stack.size = *array;
+			data->user_stack.size = *array++;
 		}
 	}
 
-- 
1.7.11.7

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