From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, FROM_LOCAL_DIGITS,FROM_LOCAL_HEX,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id ABDD9C48BDF for ; Thu, 24 Jun 2021 07:05:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 84E14613E0 for ; Thu, 24 Jun 2021 07:05:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231349AbhFXHH4 (ORCPT ); Thu, 24 Jun 2021 03:07:56 -0400 Received: from m12-16.163.com ([220.181.12.16]:55212 "EHLO m12-16.163.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230082AbhFXHH4 (ORCPT ); Thu, 24 Jun 2021 03:07:56 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-Id:MIME-Version; bh=zjkqQ N52wzFdh750Vozx5cE+u6eZ1+BH6TyLQ1QVPtI=; b=lSsRdTTkxlREONmj3Hwat lZGIQA2yOC1NXlyhRL/D93Fg6/ZTmjkFguOJTL6o2e8Uvzw7l2EbnbMhNZ8/b7/e hsBu7b5XOpYYjTurtnDNk8BXdl6W5o4j57eLLjsGF+YWZulaA/QWmeOtFuls3A/y tmf1JQEvy1fkkDVYbjbjUw= Received: from ubuntu.localdomain (unknown [218.17.89.92]) by smtp12 (Coremail) with SMTP id EMCowAAHDlqPLtRgfXzjyw--.24430S2; Thu, 24 Jun 2021 15:04:48 +0800 (CST) From: 13145886936@163.com To: tglx@linutronix.de, bp@alien8.de, x86@kernel.org Cc: linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, gushengxian Subject: [PATCH] x86: eas should not be NULL when it is referenced Date: Thu, 24 Jun 2021 00:04:42 -0700 Message-Id: <20210624070442.34291-1-13145886936@163.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID: EMCowAAHDlqPLtRgfXzjyw--.24430S2 X-Coremail-Antispam: 1Uf129KBjvdXoWrtry3uFW3tFy5GFy7KFyDKFg_yoW3Krg_GF nrZws3JrWSvr4Fq340yFnIgrnru3yIv3yfWwnYqFZ7try5JF4UCF1vqrykK34Sqr4kJFZ8 A3s8Cr1Fqr12kjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IU59Xo7UUUUU== X-Originating-IP: [218.17.89.92] X-CM-SenderInfo: 5zrdx5xxdq6xppld0qqrwthudrp/1tbiXBC7g1Xl0EcB3QAAsP Precedence: bulk List-ID: X-Mailing-List: linux-perf-users@vger.kernel.org From: gushengxian "eas" should not be NULL when it is referenced. Signed-off-by: gushengxian --- arch/x86/events/intel/uncore_snbep.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/uncore_snbep.c index bb6eb1e5569c..836aa78cd0f3 100644 --- a/arch/x86/events/intel/uncore_snbep.c +++ b/arch/x86/events/intel/uncore_snbep.c @@ -3826,8 +3826,10 @@ pmu_iio_set_mapping(struct intel_uncore_type *type, struct attribute_group *ag) return 0; err: - for (; die >= 0; die--) - kfree(eas[die].attr.attr.name); + if (eas) { + for (; die >= 0; die--) + kfree(eas[die].attr.attr.name); + } kfree(eas); kfree(attrs); kfree(type->topology); -- 2.25.1