From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752326Ab1GOOaF (ORCPT ); Fri, 15 Jul 2011 10:30:05 -0400 Received: from mga02.intel.com ([134.134.136.20]:41991 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752240Ab1GOO37 (ORCPT ); Fri, 15 Jul 2011 10:29:59 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.65,535,1304319600"; d="scan'208";a="26267125" From: Lin Ming To: Peter Zijlstra , Ingo Molnar , Andi Kleen , Stephane Eranian , Arnaldo Carvalho de Melo Cc: linux-kernel Subject: [PATCH v2 4/6] perf: Remove perf_event_attr::type check Date: Fri, 15 Jul 2011 14:35:01 +0000 Message-Id: <1310740503-15608-5-git-send-email-ming.m.lin@intel.com> X-Mailer: git-send-email 1.7.5.1 In-Reply-To: <1310740503-15608-1-git-send-email-ming.m.lin@intel.com> References: <1310740503-15608-1-git-send-email-ming.m.lin@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org PMU type id can be allocated dynamically, so perf_event_attr::type check when copying attribute from userspace to kernel is not valid. Signed-off-by: Lin Ming --- kernel/events/core.c | 7 ------- 1 files changed, 0 insertions(+), 7 deletions(-) diff --git a/kernel/events/core.c b/kernel/events/core.c index 9f4f463..7bd8d5d 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -5928,13 +5928,6 @@ static int perf_copy_attr(struct perf_event_attr __user *uattr, if (ret) return -EFAULT; - /* - * If the type exists, the corresponding creation will verify - * the attr->config. - */ - if (attr->type >= PERF_TYPE_MAX) - return -EINVAL; - if (attr->__reserved_1) return -EINVAL; -- 1.7.5.1