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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 D95B5ECE565 for ; Wed, 19 Sep 2018 14:26:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 929D321526 for ; Wed, 19 Sep 2018 14:26:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="DFyVpt24" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 929D321526 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732248AbeISUEQ (ORCPT ); Wed, 19 Sep 2018 16:04:16 -0400 Received: from mail.kernel.org ([198.145.29.99]:49748 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732215AbeISUEP (ORCPT ); Wed, 19 Sep 2018 16:04:15 -0400 Received: from jouet.infradead.org (unknown [179.97.41.186]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id E9FA421522; Wed, 19 Sep 2018 14:26:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1537367165; bh=QxW2Pp+s+W06eDf2e8KU/Ms6QJF/G6/5qFJTzXD6+zM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DFyVpt24o70deCxpnnvTwJxS/TqVl3OeSOzaGMUEyYsYcqvIMjcQo+4rLOsXKU1cz e5o2UCRvqKlExaQb7aRJURmRRX51yXmErFEfahYvB70tdgoS5hjdn7Wr7h2WvO7oLZ VrtuIzGKwhIc7lscY/uFFLBICYlVW9cJlYT4M9bU= From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Ding Xiang , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Peter Zijlstra , Arnaldo Carvalho de Melo Subject: [PATCH 05/13] tools include: Adopt PTR_ERR_OR_ZERO from the kernel err.h header Date: Wed, 19 Sep 2018 11:25:29 -0300 Message-Id: <20180919142537.29985-6-acme@kernel.org> X-Mailer: git-send-email 2.14.4 In-Reply-To: <20180919142537.29985-1-acme@kernel.org> References: <20180919142537.29985-1-acme@kernel.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Ding Xiang Add PTR_ERR_OR_ZERO, so that tools can use it, just like the kernel. Signed-off-by: Ding Xiang Cc: Alexander Shishkin Cc: Jiri Olsa Cc: Namhyung Kim Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1536284082-23466-1-git-send-email-dingxiang@cmss.chinamobile.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/include/linux/err.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/tools/include/linux/err.h b/tools/include/linux/err.h index 7a8b61ad44cb..094649667bae 100644 --- a/tools/include/linux/err.h +++ b/tools/include/linux/err.h @@ -52,4 +52,11 @@ static inline bool __must_check IS_ERR_OR_NULL(__force const void *ptr) return unlikely(!ptr) || IS_ERR_VALUE((unsigned long)ptr); } +static inline int __must_check PTR_ERR_OR_ZERO(__force const void *ptr) +{ + if (IS_ERR(ptr)) + return PTR_ERR(ptr); + else + return 0; +} #endif /* _LINUX_ERR_H */ -- 2.14.4