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perf: Fix off by one in perf_swevent_init()
authorDan Carpenter <error27@gmail.com>
Sun, 24 Oct 2010 19:50:42 +0000 (21:50 +0200)
committerIngo Molnar <mingo@elte.hu>
Thu, 16 Dec 2010 10:14:31 +0000 (11:14 +0100)
The perf_swevent_enabled[] array has PERF_COUNT_SW_MAX elements.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <20101024195041.GT5985@bicker>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
kernel/perf_event.c patch | blob | blame | history

diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index 7b870174c56d24b4524073e9a1b47784effbdc86..2870feee81dd7a046703645c9ec50022d4339f39 100644 (file)
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -4719,7 +4719,7 @@ static int perf_swevent_init(struct perf_event *event)
                break;
        }
 
-       if (event_id > PERF_COUNT_SW_MAX)
+       if (event_id >= PERF_COUNT_SW_MAX)
                return -ENOENT;
 
        if (!event->parent) {