Messages in this thread Patch in this message | | | Date | Thu, 16 Dec 2010 10:42:45 GMT | From | tip-bot for Dan Carpenter <> | Subject | [tip:perf/urgent] perf: Fix off by one in perf_swevent_init() |
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Commit-ID: ce677831a4abd0f9f957c90ac6f6a0d0472bafb4 Gitweb: http://git.kernel.org/tip/ce677831a4abd0f9f957c90ac6f6a0d0472bafb4 Author: Dan Carpenter <error27@gmail.com> AuthorDate: Sun, 24 Oct 2010 21:50:42 +0200 Committer: Ingo Molnar <mingo@elte.hu> CommitDate: Thu, 16 Dec 2010 11:14:31 +0100
perf: Fix off by one in perf_swevent_init()
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 | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/kernel/perf_event.c b/kernel/perf_event.c index 7b87017..2870fee 100644 --- 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) {
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