Commit-ID: 04bffb83d17c1b93578564f18e02b6cb1c385b40 Gitweb: http://git.kernel.org/tip/04bffb83d17c1b93578564f18e02b6cb1c385b40 Author: Vince Weaver <[email protected]> AuthorDate: Fri, 10 Jun 2011 16:07:52 -0400 Committer: Ingo Molnar <[email protected]> CommitDate: Fri, 1 Jul 2011 10:27:09 +0200
perf_event: Return -EINVAL for Offcore Response Events Return a proper error code when denying raw access to Offcore Response events. Right now we return "0" which gives tools the false impression that opening the event worked. Signed-off-by: Peter Zijlstra <[email protected]> Cc: <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]> --- arch/x86/kernel/cpu/perf_event.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c index 3a0338b..c6bfa6b 100644 --- a/arch/x86/kernel/cpu/perf_event.c +++ b/arch/x86/kernel/cpu/perf_event.c @@ -598,7 +598,7 @@ static int x86_setup_perfctr(struct perf_event *event) * there's no sane user-space generalization yet: */ if (attr->type == PERF_TYPE_RAW) - return 0; + return -EINVAL; if (attr->type == PERF_TYPE_HW_CACHE) return set_ext_hw_attr(hwc, event); _______________________________________________ stable mailing list [email protected] http://linux.kernel.org/mailman/listinfo/stable
